{
 "licence": "CC BY-SA 4.0",
 "licence_url": "https://creativecommons.org/licenses/by-sa/4.0/",
 "attribution": "அணு · Anu, Oliyon Research (https://anu.oliyonresearch.com)",
 "count": 118,
 "elements": [
  {
   "atomic_number": 1,
   "symbol": "H",
   "english": "Hydrogen",
   "atomic_mass": "1.008",
   "category": "nonmetal",
   "category_ta": "அலோகங்கள்",
   "period": 1,
   "group": 1,
   "block": "s",
   "electron_configuration": "1s1",
   "configuration_predicted": false,
   "shells": [
    1
   ],
   "state": "gas",
   "discovered": "1766",
   "etymology_ta": "கிரேக்க hydro (நீர்) + genes (உண்டாக்குவது). எரியும்போது நீர் உண்டாவதால் லவாசியே இட்ட பெயர்.",
   "etymology_en": "Greek hydro 'water' + genes 'forming': it burns to give water.",
   "url": "https://anu.oliyonresearch.com/element/H/",
   "names": [
    {
     "tamil": "ஹைட்ரஜன்",
     "romanised": "haiṭrajaṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 10 Science Lesson 7 'அணுக்களும் மூலக்கூறுகளும்' notes (WINMEEN) — textbook tables 'சில தனிமங்களின் அணுநிறைகள்' (Z, name, symbol) and 'தனிமங்களின் ஒப்பு அணுநிறை' (name, symbol, Ar) — row 'அணு எண் 1 | ஹைட்ரஜன் | H | 1.008'; same spelling on all TN pages checked",
     "url": "https://winmeen.com/%E0%AE%85%E0%AE%A3%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%81%E0%AE%AE%E0%AF%8D-%E0%AE%AE%E0%AF%82%E0%AE%B2%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%82%E0%AE%B1%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AF%81/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஐதரசன்",
     "romanised": "aitaracaṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%90%E0%AE%A4%E0%AE%B0%E0%AE%9A%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "நீரியம்",
     "romanised": "nīriyam",
     "layer": "coined",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "redirect: search result for URL path \"நீரியம்\" returned the page titled with the main name, i.e. this title redirects to the article",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AF%80%E0%AE%B0%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஐதரசன்",
     "romanised": "aitaracaṉ",
     "layer": "lk",
     "evidence": "reported",
     "source": "Elements Multidict (vanderkrogt.net) · Elements Multidict (vanderkrogt.net)",
     "source_detail": "Tamil Wikipedia's numbered element list (and, per a search result, the title of the Tamil Wikipedia hydrogen article); vanderkrogt.net Elements Multidict gives 'ஐதரசன் [aitaracaṉ] Tamil'. This is the Sri Lankan-style transliteration, with ஐ for 'hy-'.",
     "url": "https://vanderkrogt.net/elements/element.php?num=1",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "நீரகம்",
     "romanised": "nīrakam",
     "layer": "coined",
     "evidence": "unverified",
     "source": "மணவை முஸ்தபா — அறிவியல், தொழில்நுட்பக் கலைச்சொல் களஞ்சிய அகராதி · Manavai Mustafa — Encyclopaedic glossary of science and technology terms",
     "source_detail": "Searches for 'நீரகம்' + hydrogen repeatedly returned page 353 of மணவை முஸ்தபா's அறிவியல், தொழில்நுட்பக் கலைச்சொல் களஞ்சிய அகராதி on Tamil Wikisource. The page could not be fetched (URL too long for the fetch proxy), so the string and its attribution are NOT confirmed.",
     "url": "https://ta.wikisource.org/wiki/%E0%AE%AA%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%AE%E0%AF%8D:%E0%AE%85%E0%AE%B1%E0%AE%BF%E0%AE%B5%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D,_%E0%AE%A4%E0%AF%8A%E0%AE%B4%E0%AE%BF%E0%AE%B2%E0%AF%8D%E0%AE%A8%E0%AF%81%E0%AE%9F%E0%AF%8D%E0%AE%AA_%E0%AE%95%E0%AE%B2%E0%AF%88%E0%AE%9A%E0%AF%8D%E0%AE%9A%E0%AF%8A%E0%AE%B2%E0%AF%8D_%E0%AE%95%E0%AE%B3%E0%AE%9E%E0%AF%8D%E0%AE%9A%E0%AE%BF%E0%AE%AF_%E0%AE%85%E0%AE%95%E0%AE%B0%E0%AE%BE%E0%AE%A4%E0%AE%BF.pdf/353",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஹைடிரஜன்",
     "romanised": "haiṭirajaṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "வேதியியல் கலைச்சொற்கள் (சென்னை அரசு, 1947) · List of Technical and Scientific Terms: Chemistry (Government of Madras, 1947)",
     "source_detail": "1947 'List of Technical and Scientific Terms: Chemistry'. No pure-Tamil name was offered for hydrogen there.",
     "url": "https://www.tamildigitallibrary.in/admin/assets/book/TVA_BOK_0011573_List_Of_Technical_and_Scientific_Terms.pdf",
     "coined_by": "Madras Government Text-Book Committee (approved by G.O. No. 137, Education, 28 Jan 1947)",
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 2,
   "symbol": "He",
   "english": "Helium",
   "atomic_mass": "4.0026",
   "category": "noble",
   "category_ta": "மந்த வாயுக்கள்",
   "period": 1,
   "group": 18,
   "block": "s",
   "electron_configuration": "1s2",
   "configuration_predicted": false,
   "shells": [
    2
   ],
   "state": "gas",
   "discovered": "1868",
   "etymology_ta": "கிரேக்க helios (கதிரவன்). 1868 சூரிய கிரகணத்தை இந்தியாவின் குண்டூரிலிருந்து ஆராய்ந்தபோது கதிரொளியில் ஒரு மஞ்சள் கோடாக முதலில் கண்டறியப்பட்டது.",
   "etymology_en": "Greek helios 'the Sun': first seen as a yellow line in sunlight, during the 1868 eclipse that Janssen watched from Guntur, India.",
   "url": "https://anu.oliyonresearch.com/element/He/",
   "names": [
    {
     "tamil": "ஹீலியம்",
     "romanised": "hīliyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 11 Chemistry Vol 1 (Tamil medium) Unit 3, 'எலக்ட்ரான் அமைப்பின் அடிப்படையில் தனிமங்களை தொகுதிபடுத்துதல்' (BrainKart) — also S1 (Class 9) and S26 (Class 12)",
     "url": "https://www.brainkart.in/article/Grouping-of-Elements-based-on-Electronic-Configurations_34688/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஈலியம்",
     "romanised": "īliyam",
     "layer": "lk",
     "evidence": "reported",
     "source": "இலங்கைக் கல்வி அமைச்சின் கற்றல் தளங்கள் (e-தக்சலாவ, e-நெனபியச) · Sri Lanka Ministry of Education learning sites (e-thaksalawa, enenapiyasa)",
     "source_detail": "Sri Lankan Tamil-medium Grade 10 Science worksheet ('அயன்பிணைப்பு', unit 10 chemical bonds) on the MoE e-learning LMS enenapiyasa.lk; typed in Bamini legacy font — Unicode here is Claude's mechanical Bamini decoding of the raw string; raw '<ypak;' (table row 1 of element/electron-arrangement matchin",
     "url": "https://www.enenapiyasa.lk/lms/pluginfile.php/24821/mod_folder/content/0/%E0%AE%85%E0%AE%AF%E0%AE%A9%E0%AF%8D%E0%AE%AA%E0%AE%BF%E0%AE%A3%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81.pdf?forcedownload=1",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஈலியம்",
     "romanised": "īliyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title (seen through a redirect)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%B9%E0%AF%80%E0%AE%B2%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "பரிதியம்",
     "romanised": "paritiyam",
     "layer": "coined",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "first sentence of the article: \"ஈலியம் (Helium) அல்லது பரிதியம் அல்லது எல்லியம் என்பது ...\"",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%B9%E0%AF%80%E0%AE%B2%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஹீலியம்",
     "romanised": "hīliyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "article shows redirect notice \"(ஹீலியம் இலிருந்து வழிமாற்றப்பட்டது)\" — redirect title to ஈலியம்",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%B9%E0%AF%80%E0%AE%B2%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "எல்லியம்",
     "romanised": "elliyam",
     "layer": "coined",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "first sentence of the article (second \"அல்லது\" alternative)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%B9%E0%AF%80%E0%AE%B2%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 3,
   "symbol": "Li",
   "english": "Lithium",
   "atomic_mass": "6.94",
   "category": "alkali",
   "category_ta": "கார உலோகங்கள்",
   "period": 2,
   "group": 1,
   "block": "s",
   "electron_configuration": "[He] 2s1",
   "configuration_predicted": false,
   "shells": [
    2,
    1
   ],
   "state": "solid",
   "discovered": "1817",
   "etymology_ta": "கிரேக்க lithos (கல்). தாவரத்தில் அல்லாமல் ஒரு கனிமத்தில் கண்டறியப்பட்டதால் இப்பெயர்.",
   "etymology_en": "Greek lithos 'stone': it was found in a mineral, not in plants.",
   "url": "https://anu.oliyonresearch.com/element/Li/",
   "names": [
    {
     "tamil": "லித்தியம்",
     "romanised": "littiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 10 Science Lesson 7 'அணுக்களும் மூலக்கூறுகளும்' notes (WINMEEN) — textbook tables 'சில தனிமங்களின் அணுநிறைகள்' (Z, name, symbol) and 'தனிமங்களின் ஒப்பு அணுநிறை' (name, symbol, Ar) — row 'அணு எண் 3 | லித்தியம் | Li'",
     "url": "https://winmeen.com/%E0%AE%85%E0%AE%A3%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%81%E0%AE%AE%E0%AF%8D-%E0%AE%AE%E0%AF%82%E0%AE%B2%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%82%E0%AE%B1%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AF%81/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "இலித்தியம்",
     "romanised": "ilittiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%B2%E0%AE%BF%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "லித்தியம்",
     "romanised": "littiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "redirect: search result for URL path \"லித்தியம்\" returned the page titled with the main name, i.e. this title redirects to the article | ALSO: name used in the article கிடைக்குழு 2 தனிமங்கள் (period 2 elements) and in கார உலோகம் (alkali metals); also the list-page spelling (https://ta.wikipedia.org/",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%B2%E0%AE%BF%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "இலிதியம்",
     "romanised": "ilitiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the body of the Tamil Wikipedia article தனிம அட்டவணை வரலாறு (history of the periodic table)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE_%E0%AE%85%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%B5%E0%AE%A3%E0%AF%88_%E0%AE%B5%E0%AE%B0%E0%AE%B2%E0%AE%BE%E0%AE%B1%E0%AF%81",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 4,
   "symbol": "Be",
   "english": "Beryllium",
   "atomic_mass": "9.0122",
   "category": "alkaline",
   "category_ta": "காரமண் உலோகங்கள்",
   "period": 2,
   "group": 2,
   "block": "s",
   "electron_configuration": "[He] 2s2",
   "configuration_predicted": false,
   "shells": [
    2,
    2
   ],
   "state": "solid",
   "discovered": "1798",
   "etymology_ta": "பெரில் (beryl) என்ற மணிக்கல்லின் பெயரிலிருந்து.",
   "etymology_en": "From the gemstone beryl (Greek beryllos).",
   "url": "https://anu.oliyonresearch.com/element/Be/",
   "names": [
    {
     "tamil": "பெரிலியம்",
     "romanised": "periliyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 10 Science Lesson 7 'அணுக்களும் மூலக்கூறுகளும்' notes (WINMEEN) — textbook tables 'சில தனிமங்களின் அணுநிறைகள்' (Z, name, symbol) and 'தனிமங்களின் ஒப்பு அணுநிறை' (name, symbol, Ar) — row 'அணு எண் 4 | பெரிலியம் | Be'",
     "url": "https://winmeen.com/%E0%AE%85%E0%AE%A3%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%81%E0%AE%AE%E0%AF%8D-%E0%AE%AE%E0%AF%82%E0%AE%B2%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%82%E0%AE%B1%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AF%81/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "பெரிலியம்",
     "romanised": "periliyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%86%E0%AE%B0%E0%AE%BF%E0%AE%B2%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 5,
   "symbol": "B",
   "english": "Boron",
   "atomic_mass": "10.81",
   "category": "metalloid",
   "category_ta": "உலோகப்போலிகள்",
   "period": 2,
   "group": 13,
   "block": "p",
   "electron_configuration": "[He] 2s2 2p1",
   "configuration_predicted": false,
   "shells": [
    2,
    3
   ],
   "state": "solid",
   "discovered": "1808",
   "etymology_ta": "போராக்ஸ் (வெங்காரம்) என்ற உப்பின் பெயரிலிருந்து; அரபு buraq, பாரசீக burah.",
   "etymology_en": "From borax (Arabic buraq, Persian burah).",
   "url": "https://anu.oliyonresearch.com/element/B/",
   "names": [
    {
     "tamil": "போரான்",
     "romanised": "pōrāṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 10 Science Lesson 7 'அணுக்களும் மூலக்கூறுகளும்' notes (WINMEEN) — textbook tables 'சில தனிமங்களின் அணுநிறைகள்' (Z, name, symbol) and 'தனிமங்களின் ஒப்பு அணுநிறை' (name, symbol, Ar) — row 'அணு எண் 5 | போரான் | B'",
     "url": "https://winmeen.com/%E0%AE%85%E0%AE%A3%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%81%E0%AE%AE%E0%AF%8D-%E0%AE%AE%E0%AF%82%E0%AE%B2%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%82%E0%AE%B1%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AF%81/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "போரான்",
     "romanised": "pōrāṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%8B%E0%AE%B0%E0%AE%BE%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 6,
   "symbol": "C",
   "english": "Carbon",
   "atomic_mass": "12.011",
   "category": "nonmetal",
   "category_ta": "அலோகங்கள்",
   "period": 2,
   "group": 14,
   "block": "p",
   "electron_configuration": "[He] 2s2 2p2",
   "configuration_predicted": false,
   "shells": [
    2,
    4
   ],
   "state": "solid",
   "discovered": "ancient",
   "etymology_ta": "இலத்தீன் carbo (கரி).",
   "etymology_en": "Latin carbo 'charcoal'.",
   "url": "https://anu.oliyonresearch.com/element/C/",
   "names": [
    {
     "tamil": "கார்பன்",
     "romanised": "kārpaṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 10 Science Lesson 7 'அணுக்களும் மூலக்கூறுகளும்' notes (WINMEEN) — textbook tables 'சில தனிமங்களின் அணுநிறைகள்' (Z, name, symbol) and 'தனிமங்களின் ஒப்பு அணுநிறை' (name, symbol, Ar) — Ar table row 'கார்பன் | C | 12'",
     "url": "https://winmeen.com/%E0%AE%85%E0%AE%A3%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%81%E0%AE%AE%E0%AF%8D-%E0%AE%AE%E0%AF%82%E0%AE%B2%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%82%E0%AE%B1%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AF%81/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கரிமம்",
     "romanised": "karimam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%B0%E0%AE%BF%E0%AE%AE%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கரி",
     "romanised": "kari",
     "layer": "classical",
     "evidence": "attested",
     "source": "வேதியியல் கலைச்சொற்கள் (சென்னை அரசு, 1947) · List of Technical and Scientific Terms: Chemistry (Government of Madras, 1947)",
     "source_detail": "1947 Madras chemistry glossary (in compounds)",
     "url": "https://www.tamildigitallibrary.in/admin/assets/book/TVA_BOK_0011573_List_Of_Technical_and_Scientific_Terms.pdf",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கரிமம்",
     "romanised": "karimam",
     "layer": "coined",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Element name in Tamil Wikipedia's numbered list of elements, on ta.periodic-table.io and on pothunalam.com. Formed from கரி 'charcoal'. It is the only pure-Tamil coinage in Tamil Wikipedia's list.",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "காபன்",
     "romanised": "kāpaṉ",
     "layer": "lk",
     "evidence": "reported",
     "source": "Elements Multidict (vanderkrogt.net) · Elements Multidict (vanderkrogt.net)",
     "source_detail": "vanderkrogt.net Elements Multidict: 'காபன் [kāpan] Tamil'.",
     "url": "https://www.vanderkrogt.net/elements/element.php?num=6",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கார்பன்",
     "romanised": "kārpaṉ",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "first sentence of the article: \"கரிமம் (கார்பன், Carbon, வேதியல் குறியீடு C) என்பது ஒரு தனிமப் பொருள்.\"; also a redirect (URL path கார்பன் returns கரிமம்) and the name used in கிடைக்குழு 2 தனிமங்கள்",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%B0%E0%AE%BF%E0%AE%AE%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "காபன்",
     "romanised": "kāpaṉ",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "used in the article body (e.g. in காபனீரொட்சைட்டு); also a redirect (URL path காபன் returns கரிமம்)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%BE%E0%AE%AA%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 7,
   "symbol": "N",
   "english": "Nitrogen",
   "atomic_mass": "14.007",
   "category": "nonmetal",
   "category_ta": "அலோகங்கள்",
   "period": 2,
   "group": 15,
   "block": "p",
   "electron_configuration": "[He] 2s2 2p3",
   "configuration_predicted": false,
   "shells": [
    2,
    5
   ],
   "state": "gas",
   "discovered": "1772",
   "etymology_ta": "கிரேக்க nitron (வெடியுப்பு) + genes (உண்டாக்குவது). வெடியுப்பில் இருப்பதால் இப்பெயர்.",
   "etymology_en": "Greek nitron 'saltpetre' + genes 'forming': it is found in nitre.",
   "url": "https://anu.oliyonresearch.com/element/N/",
   "names": [
    {
     "tamil": "நைட்ரஜன்",
     "romanised": "naiṭrajaṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 10 Science Lesson 7 'அணுக்களும் மூலக்கூறுகளும்' notes (WINMEEN) — textbook tables 'சில தனிமங்களின் அணுநிறைகள்' (Z, name, symbol) and 'தனிமங்களின் ஒப்பு அணுநிறை' (name, symbol, Ar) — Ar table row 'நைட்ரஜன் | N | 14'",
     "url": "https://winmeen.com/%E0%AE%85%E0%AE%A3%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%81%E0%AE%AE%E0%AF%8D-%E0%AE%AE%E0%AF%82%E0%AE%B2%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%82%E0%AE%B1%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AF%81/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "நைதரசன்",
     "romanised": "naitaracaṉ",
     "layer": "lk",
     "evidence": "attested",
     "source": "இலங்கைக் கல்வி அமைச்சின் கற்றல் தளங்கள் (e-தக்சலாவ, e-நெனபியச) · Sri Lanka Ministry of Education learning sites (e-thaksalawa, enenapiyasa)",
     "source_detail": "Sri Lanka MoE e-thaksalawa, G.C.E. A/L Chemistry Grade 12/13 (Tamil medium) course navigation; section 10 title 'நைதரசனைக் கொண்டுள்ள சேதனச் சேர்வைகள்' (accusative நைதரசனை)",
     "url": "https://e-thaksalawa.moe.gov.lk/lcms/mod/hvp/view.php?id=13339&lang=ta_lk",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "நைட்ரசன்",
     "romanised": "naiṭracaṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AF%88%E0%AE%9F%E0%AF%8D%E0%AE%B0%E0%AE%9A%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "தழைச்சத்து",
     "romanised": "taḻaiccattu",
     "layer": "common",
     "evidence": "attested",
     "source": "தமிழ்நாடு வேளாண்மைப் பல்கலைக்கழக வேளாண் இணையதளம் · TNAU Agritech Portal",
     "source_detail": "Tamil Nadu Agricultural University agritech portal: Nitrogen 'நைட்ரஜன்' (also 'தழைச்சத்து'), literally 'foliage nutrient'. It names the fertiliser nutrient, not the element as such.",
     "url": "https://agritech.tnau.ac.in/ta/Agriculture/agri_min_nutri_essentialelements_ta.html",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 8,
   "symbol": "O",
   "english": "Oxygen",
   "atomic_mass": "15.999",
   "category": "nonmetal",
   "category_ta": "அலோகங்கள்",
   "period": 2,
   "group": 16,
   "block": "p",
   "electron_configuration": "[He] 2s2 2p4",
   "configuration_predicted": false,
   "shells": [
    2,
    6
   ],
   "state": "gas",
   "discovered": "1771–1774",
   "etymology_ta": "கிரேக்க oxys (புளிப்பு) + genes (உண்டாக்குவது). எல்லா அமிலங்களிலும் இது உள்ளது என லவாசியே நம்பியதால் இப்பெயர்.",
   "etymology_en": "Greek oxys 'sharp, acid' + genes 'forming': Lavoisier believed every acid contained it.",
   "url": "https://anu.oliyonresearch.com/element/O/",
   "names": [
    {
     "tamil": "ஆக்சிஜன்",
     "romanised": "ākcijaṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 10 Science Lesson 7 'அணுக்களும் மூலக்கூறுகளும்' notes (WINMEEN) — textbook tables 'சில தனிமங்களின் அணுநிறைகள்' (Z, name, symbol) and 'தனிமங்களின் ஒப்பு அணுநிறை' (name, symbol, Ar) — Ar table row 'ஆக்சிஜன் | O | 16'",
     "url": "https://winmeen.com/%E0%AE%85%E0%AE%A3%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%81%E0%AE%AE%E0%AF%8D-%E0%AE%AE%E0%AF%82%E0%AE%B2%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%82%E0%AE%B1%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AF%81/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஒட்சிசன்",
     "romanised": "oṭcicaṉ",
     "layer": "lk",
     "evidence": "attested",
     "source": "இலங்கைக் கல்வி அமைச்சின் கற்றல் தளங்கள் (e-தக்சலாவ, e-நெனபியச) · Sri Lanka Ministry of Education learning sites (e-thaksalawa, enenapiyasa)",
     "source_detail": "Sri Lanka MoE e-thaksalawa, G.C.E. A/L Chemistry Grade 12/13 (Tamil medium) course navigation; section 9 title 'ஒட்சிசனைக் கொண்டுள்ள சேதனச் சேர்வைகள்' (accusative ஒட்சிசனை)",
     "url": "https://e-thaksalawa.moe.gov.lk/lcms/mod/hvp/view.php?id=13339&lang=ta_lk",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஒட்சிசன்",
     "romanised": "oṭcicaṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%92%E0%AE%9F%E0%AF%8D%E0%AE%9A%E0%AE%BF%E0%AE%9A%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "பிராணவாயு",
     "romanised": "pirāṇavāyu",
     "layer": "coined",
     "evidence": "attested",
     "source": "வேதியியல் கலைச்சொற்கள் (சென்னை அரசு, 1947) · List of Technical and Scientific Terms: Chemistry (Government of Madras, 1947)",
     "source_detail": "1947 glossary 'Oxygen = ஆக்ஸிஜன், பிராணவாயு' (OCR prints 'ஆக்ஹிஜன்'). Literally 'life-breath gas'. It gives the earliest dated descriptive (non-transliterated) name for oxygen found in this research.",
     "url": "https://www.tamildigitallibrary.in/admin/assets/book/TVA_BOK_0011573_List_Of_Technical_and_Scientific_Terms.pdf",
     "coined_by": "Madras Government Text-Book Committee (1947)",
     "primary": true
    },
    {
     "tamil": "ஆக்ஸிஜன்",
     "romanised": "āksijaṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Samacheer Kalvi Class 9 Science (Tamil medium) Unit 12 'தனிமங்களின் வகைப்பாட்டு அட்டவணை', section 'நவீன கால தனிம வரிசை அட்டவணை' (BrainKart Tamil reproduction of textbook text) — with ஸ; same spelling in Class 12 Unit 2 (S16, S17) and group name 'ஆக்ஸிஜன் தொகுதி'",
     "url": "https://www.brainkart.in/article/Modern-Periodic-Table_39883/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஆக்ஸிஜன்",
     "romanised": "āksijaṉ",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "redirect: search result for URL path \"ஆக்ஸிஜன்\" returned the page titled with the main name, i.e. this title redirects to the article",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%95%E0%AF%8D%E0%AE%B8%E0%AE%BF%E0%AE%9C%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஆக்சிசன்",
     "romanised": "ākcicaṉ",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "talk-page URL பேச்சு:ஆக்சிசன் returned the page titled பேச்சு:ஒட்சிசன் (so ஆக்சிசன் redirects); same spelling used in the article கிடைக்குழு 2 தனிமங்கள் and in the article title திரவ ஆக்சிசன் (liquid oxygen)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%87%E0%AE%9A%E0%AF%8D%E0%AE%9A%E0%AF%81:%E0%AE%86%E0%AE%95%E0%AF%8D%E0%AE%9A%E0%AE%BF%E0%AE%9A%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "உயிர்வளி",
     "romanised": "uyirvaḷi",
     "layer": "coined",
     "evidence": "reported",
     "source": "பிற இணையதளங்கள் · Other websites",
     "source_detail": "Seen in the title of a tamilandvedas.com blog post 'ஆக்சிஜன் Oxygen என்னும் உயிர்வளி' (2023). It is a pure-Tamil calque of பிராணவாயு (உயிர் 'life' + வளி 'air/gas'). The post body was not fetched, and no proposer was identified.",
     "url": "https://tamilandvedas.com/2023/02/09/%E0%AE%86%E0%AE%95%E0%AF%8D%E0%AE%9A%E0%AE%BF%E0%AE%9C%E0%AE%A9%E0%AF%8D-oxygen-%E0%AE%8E%E0%AE%A9%E0%AF%8D%E0%AE%A9%E0%AF%81%E0%AE%AE%E0%AF%8D-%E0%AE%89%E0%AE%AF%E0%AE%BF%E0%AE%B0%E0%AF%8D%E0%AE%B5/",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 9,
   "symbol": "F",
   "english": "Fluorine",
   "atomic_mass": "18.998",
   "category": "halogen",
   "category_ta": "ஹாலஜன்கள்",
   "period": 2,
   "group": 17,
   "block": "p",
   "electron_configuration": "[He] 2s2 2p5",
   "configuration_predicted": false,
   "shells": [
    2,
    7
   ],
   "state": "gas",
   "discovered": "1886",
   "etymology_ta": "இலத்தீன் fluere (பாய்தல்). இதன் கனிமம் உருக்குதலில் இளக்கியாகப் பயன்பட்டது.",
   "etymology_en": "Latin fluere 'to flow': its mineral fluorite was used as a flux in smelting.",
   "url": "https://anu.oliyonresearch.com/element/F/",
   "names": [
    {
     "tamil": "புளூரின்",
     "romanised": "puḷūriṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 2, 'p-தொகுதி தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — also Class 12 Unit 4 (S20) and Class 9 notes (S3)",
     "url": "https://www.brainkart.in/article/General-trends-in-properties-of-p-block-elements_38577/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "புளோரின்",
     "romanised": "puḷōriṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%81%E0%AE%B3%E0%AF%8B%E0%AE%B0%E0%AE%BF%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "புளுரின்",
     "romanised": "puḷuriṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Samacheer Kalvi Class 9 Science (Tamil medium) Unit 12 'தனிமங்களின் வகைப்பாட்டு அட்டவணை', section 'நவீன கால தனிம வரிசை அட்டவணை' (BrainKart Tamil reproduction of textbook text) — short ு spelling",
     "url": "https://www.brainkart.in/article/Modern-Periodic-Table_39883/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஃபுளுரின்",
     "romanised": "ḵpuḷuriṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 3, book-back answers (BrainKart) — spelled with ஃ on this page",
     "url": "https://www.brainkart.in/article/p-Block-Elements-II--Answer-the-following-questions_38623/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஃப்ளூரின்",
     "romanised": "ḵpḷūriṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 3, book-back answers (BrainKart) — second spelling on the same page (also ஃப்ளுரின்)",
     "url": "https://www.brainkart.in/article/p-Block-Elements-II--Answer-the-following-questions_38623/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "புளூரின்",
     "romanised": "puḷūriṉ",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "first sentence of the article: \"புளோரின் (Flourine) அல்லது புளூரின் என்னும் தனிமம் F என்னும் குறியெழுத்தைக் கொண்டது.\"",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%81%E0%AE%B3%E0%AF%8B%E0%AE%B0%E0%AE%BF%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஃவுளோரின்",
     "romanised": "ḵvuḷōriṉ",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஃவுளூரின்",
     "romanised": "ḵvuḷūriṉ",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the properties table of the Tamil Wikipedia article ஆலசன் (halogens)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%B2%E0%AE%9A%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 10,
   "symbol": "Ne",
   "english": "Neon",
   "atomic_mass": "20.180",
   "category": "noble",
   "category_ta": "மந்த வாயுக்கள்",
   "period": 2,
   "group": 18,
   "block": "p",
   "electron_configuration": "[He] 2s2 2p6",
   "configuration_predicted": false,
   "shells": [
    2,
    8
   ],
   "state": "gas",
   "discovered": "1898",
   "etymology_ta": "கிரேக்க neos (புதியது).",
   "etymology_en": "Greek neos 'new'.",
   "url": "https://anu.oliyonresearch.com/element/Ne/",
   "names": [
    {
     "tamil": "நியான்",
     "romanised": "niyāṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 10 Science (Tamil medium) Unit 8 'தனிமங்களின் ஆவர்த்தன வகைப்பாடு', book-back questions with answers (BrainKart) — named together with its symbol in the text",
     "url": "https://www.brainkart.in/article/Book-Back-Questions-with-Answers_39665/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "நியோன்",
     "romanised": "niyōṉ",
     "layer": "lk",
     "evidence": "reported",
     "source": "இலங்கைக் கல்வி அமைச்சின் கற்றல் தளங்கள் (e-தக்சலாவ, e-நெனபியச) · Sri Lanka Ministry of Education learning sites (e-thaksalawa, enenapiyasa)",
     "source_detail": "Sri Lankan Tamil-medium Grade 10 Science worksheet ('அயன்பிணைப்பு', unit 10 chemical bonds) on the MoE e-learning LMS enenapiyasa.lk; typed in Bamini legacy font — Unicode here is Claude's mechanical Bamini decoding of the raw string; raw 'epNahd;' (table row 3)",
     "url": "https://www.enenapiyasa.lk/lms/pluginfile.php/24821/mod_folder/content/0/%E0%AE%85%E0%AE%AF%E0%AE%A9%E0%AF%8D%E0%AE%AA%E0%AE%BF%E0%AE%A3%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81.pdf?forcedownload=1",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "நியான்",
     "romanised": "niyāṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AE%BF%E0%AE%AF%E0%AE%BE%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 11,
   "symbol": "Na",
   "english": "Sodium",
   "atomic_mass": "22.990",
   "category": "alkali",
   "category_ta": "கார உலோகங்கள்",
   "period": 3,
   "group": 1,
   "block": "s",
   "electron_configuration": "[Ne] 3s1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    1
   ],
   "state": "solid",
   "discovered": "1807",
   "etymology_ta": "சோடா என்ற சொல்லிலிருந்து; Na என்ற குறியீடு இலத்தீன் natrium-இலிருந்து.",
   "etymology_en": "From soda; the symbol Na is from Latin natrium.",
   "url": "https://anu.oliyonresearch.com/element/Na/",
   "names": [
    {
     "tamil": "சோடியம்",
     "romanised": "cōṭiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 10 Science Lesson 7 'அணுக்களும் மூலக்கூறுகளும்' notes (WINMEEN) — textbook tables 'சில தனிமங்களின் அணுநிறைகள்' (Z, name, symbol) and 'தனிமங்களின் ஒப்பு அணுநிறை' (name, symbol, Ar) — Ar table row 'சோடியம் | Na | 23'",
     "url": "https://winmeen.com/%E0%AE%85%E0%AE%A3%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%81%E0%AE%AE%E0%AF%8D-%E0%AE%AE%E0%AF%82%E0%AE%B2%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%82%E0%AE%B1%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AF%81/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "சோடியம்",
     "romanised": "cōṭiyam",
     "layer": "lk",
     "evidence": "reported",
     "source": "இலங்கைக் கல்வி அமைச்சின் கற்றல் தளங்கள் (e-தக்சலாவ, e-நெனபியச) · Sri Lanka Ministry of Education learning sites (e-thaksalawa, enenapiyasa)",
     "source_detail": "Sri Lankan Tamil-medium Grade 10 Science worksheet ('அயன்பிணைப்பு', unit 10 chemical bonds) on the MoE e-learning LMS enenapiyasa.lk; typed in Bamini legacy font — Unicode here is Claude's mechanical Bamini decoding of the raw string; raw 'Nrhbak;' (table row 2)",
     "url": "https://www.enenapiyasa.lk/lms/pluginfile.php/24821/mod_folder/content/0/%E0%AE%85%E0%AE%AF%E0%AE%A9%E0%AF%8D%E0%AE%AA%E0%AE%BF%E0%AE%A3%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81.pdf?forcedownload=1",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "சோடியம்",
     "romanised": "cōṭiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AF%8B%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 12,
   "symbol": "Mg",
   "english": "Magnesium",
   "atomic_mass": "24.305",
   "category": "alkaline",
   "category_ta": "காரமண் உலோகங்கள்",
   "period": 3,
   "group": 2,
   "block": "s",
   "electron_configuration": "[Ne] 3s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1755",
   "etymology_ta": "கிரேக்க நாட்டுத் தெசாலியில் உள்ள மக்னீசியா என்ற பகுதியின் பெயரிலிருந்து.",
   "etymology_en": "From Magnesia, a district of Thessaly in Greece.",
   "url": "https://anu.oliyonresearch.com/element/Mg/",
   "names": [
    {
     "tamil": "மெக்னீசியம்",
     "romanised": "mekṉīciyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 11 Chemistry Vol 1 (Tamil medium) Unit 5, 'கார உலோகங்கள்' (BrainKart) — printed with symbol Mg; same spelling in Class 10 (S4) and Class 7 (S23)",
     "url": "https://www.brainkart.in/article/Alkali-metals_34724/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "மக்னீசியம்",
     "romanised": "makṉīciyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AE%E0%AE%95%E0%AF%8D%E0%AE%A9%E0%AF%80%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "மேக்னீசியம்",
     "romanised": "mēkṉīciyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 10 Science Lesson 7 'அணுக்களும் மூலக்கூறுகளும்' notes (WINMEEN) — textbook tables 'சில தனிமங்களின் அணுநிறைகள்' (Z, name, symbol) and 'தனிமங்களின் ஒப்பு அணுநிறை' (name, symbol, Ar) — Ar table row 'மேக்னீசியம் | Mg | 24' (மே- spelling)",
     "url": "https://winmeen.com/%E0%AE%85%E0%AE%A3%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%81%E0%AE%AE%E0%AF%8D-%E0%AE%AE%E0%AF%82%E0%AE%B2%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%82%E0%AE%B1%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AF%81/",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 13,
   "symbol": "Al",
   "english": "Aluminium",
   "atomic_mass": "26.982",
   "category": "post",
   "category_ta": "பிந்தைய இடைநிலை உலோகங்கள்",
   "period": 3,
   "group": 13,
   "block": "p",
   "electron_configuration": "[Ne] 3s2 3p1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    3
   ],
   "state": "solid",
   "discovered": "1825",
   "etymology_ta": "இலத்தீன் alumen (படிகாரம்).",
   "etymology_en": "Latin alumen 'alum'.",
   "url": "https://anu.oliyonresearch.com/element/Al/",
   "names": [
    {
     "tamil": "அலுமினியம்",
     "romanised": "alumiṉiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 7 Science Term 1 Unit 3 'நம்மைச் சுற்றியுள்ள பருப்பொருள்கள்', Activity 1 table of elements and symbols (BrainKart) — Activity table 'அலுமினியம் | Al'",
     "url": "https://www.brainkart.in/article/Elements_43203/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "அலுமினியம்",
     "romanised": "alumiṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%85%E0%AE%B2%E0%AF%81%E0%AE%AE%E0%AE%BF%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "அலுமீனியம்",
     "romanised": "alumīṉiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "redirect: search result for URL path \"அலுமீனியம்\" returned the page titled with the main name, i.e. this title redirects to the article",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%85%E0%AE%B2%E0%AF%81%E0%AE%AE%E0%AF%80%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 14,
   "symbol": "Si",
   "english": "Silicon",
   "atomic_mass": "28.085",
   "category": "metalloid",
   "category_ta": "உலோகப்போலிகள்",
   "period": 3,
   "group": 14,
   "block": "p",
   "electron_configuration": "[Ne] 3s2 3p2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    4
   ],
   "state": "solid",
   "discovered": "1824",
   "etymology_ta": "இலத்தீன் silex (தீக்கல்).",
   "etymology_en": "Latin silex 'flint'.",
   "url": "https://anu.oliyonresearch.com/element/Si/",
   "names": [
    {
     "tamil": "சிலிக்கான்",
     "romanised": "cilikkāṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 2, 'தொகுதி 13 (போரான் தொகுதி) தனிமங்கள்' (BrainKart) — with Si; same in S16, S18",
     "url": "https://www.brainkart.in/article/Group-13-(Boron-group)-elements_38578/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "சிலிக்கான்",
     "romanised": "cilikkāṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AE%BF%E0%AE%B2%E0%AE%BF%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%BE%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "சிலிகான்",
     "romanised": "cilikāṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 9 Science Lesson 12 'தனிமங்களின் வகைப்பாட்டு அட்டவணை' notes (WINMEEN study notes based on the Samacheer textbook; symbol not printed beside the name) — no doubled க்",
     "url": "https://winmeen.com/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D-%E0%AE%B5%E0%AE%95%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AE%BE%E0%AE%9F%E0%AF%8D%E0%AE%9F-2/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "சிலிக்கன்",
     "romanised": "cilikkaṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 7 Science Term 1 Unit 3 'நம்மைச் சுற்றியுள்ள பருப்பொருள்கள்', Activity 1 table of elements and symbols (BrainKart) — no ா",
     "url": "https://www.brainkart.in/article/Elements_43203/",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 15,
   "symbol": "P",
   "english": "Phosphorus",
   "atomic_mass": "30.974",
   "category": "nonmetal",
   "category_ta": "அலோகங்கள்",
   "period": 3,
   "group": 15,
   "block": "p",
   "electron_configuration": "[Ne] 3s2 3p3",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    5
   ],
   "state": "solid",
   "discovered": "1669",
   "etymology_ta": "கிரேக்க phosphoros (ஒளி தாங்குவது). வெண் பாஸ்பரஸ் இருளில் ஒளிர்வதால் இப்பெயர்.",
   "etymology_en": "Greek phosphoros 'light-bearer': white phosphorus glows in the dark.",
   "url": "https://anu.oliyonresearch.com/element/P/",
   "names": [
    {
     "tamil": "பாஸ்பரஸ்",
     "romanised": "pāsparas",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 7 Science Term 1 Unit 3 'நம்மைச் சுற்றியுள்ள பருப்பொருள்கள்', Activity 1 table of elements and symbols (BrainKart) — Activity table 'பாஸ்பரஸ் | P'; same in Class 12 (S27, S28)",
     "url": "https://www.brainkart.in/article/Elements_43203/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "பாசுபரசு",
     "romanised": "pācuparacu",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AE%BE%E0%AE%9A%E0%AF%81%E0%AE%AA%E0%AE%B0%E0%AE%9A%E0%AF%81",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "மணிச்சத்து",
     "romanised": "maṇiccattu",
     "layer": "common",
     "evidence": "attested",
     "source": "தமிழ்நாடு வேளாண்மைப் பல்கலைக்கழக வேளாண் இணையதளம் · TNAU Agritech Portal",
     "source_detail": "TNAU agritech portal: Phosphorus 'பாஸ்பரஸ்' (also 'மணிச்சத்து'). Fertiliser-nutrient term.",
     "url": "https://agritech.tnau.ac.in/ta/Agriculture/agri_min_nutri_essentialelements_ta.html",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "பாஸ்வரம்",
     "romanised": "pāsvaram",
     "layer": "coined",
     "evidence": "attested",
     "source": "வேதியியல் கலைச்சொற்கள் (சென்னை அரசு, 1947) · List of Technical and Scientific Terms: Chemistry (Government of Madras, 1947)",
     "source_detail": "1947 glossary 'Phosphorus = பாஸ்வரம்'. It probably comes from Sanskrit bhāsvara 'shining'; that etymology is not stated in the source and is unverified. Tamil Wikipedia uses the transliteration பொசுபரசு and ta.periodic-table.io uses பாசுபரசு.",
     "url": "https://www.tamildigitallibrary.in/admin/assets/book/TVA_BOK_0011573_List_Of_Technical_and_Scientific_Terms.pdf",
     "coined_by": "Madras Government Text-Book Committee (1947)",
     "primary": true
    },
    {
     "tamil": "பொசுபரசு",
     "romanised": "pocuparacu",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title); the same spelling is used in the article தனிம அட்டவணை வரலாறு",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 16,
   "symbol": "S",
   "english": "Sulfur",
   "atomic_mass": "32.06",
   "category": "nonmetal",
   "category_ta": "அலோகங்கள்",
   "period": 3,
   "group": 16,
   "block": "p",
   "electron_configuration": "[Ne] 3s2 3p4",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    6
   ],
   "state": "solid",
   "discovered": "ancient",
   "etymology_ta": "இலத்தீன் sulphur. தமிழில் 'கந்தகம்' என நெடுங்காலமாக அறியப்பட்டது.",
   "etymology_en": "Latin sulphur.",
   "url": "https://anu.oliyonresearch.com/element/S/",
   "names": [
    {
     "tamil": "சல்பர்",
     "romanised": "calpar",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 10 Science Lesson 7 'அணுக்களும் மூலக்கூறுகளும்' notes (WINMEEN) — textbook tables 'சில தனிமங்களின் அணுநிறைகள்' (Z, name, symbol) and 'தனிமங்களின் ஒப்பு அணுநிறை' (name, symbol, Ar) — Ar table row 'சல்பர் | S | 32'",
     "url": "https://winmeen.com/%E0%AE%85%E0%AE%A3%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%81%E0%AE%AE%E0%AF%8D-%E0%AE%AE%E0%AF%82%E0%AE%B2%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%82%E0%AE%B1%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AF%81/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கந்தகம்",
     "romanised": "kantakam",
     "layer": "lk",
     "evidence": "attested",
     "source": "இலங்கைக் கல்வி அமைச்சின் கற்றல் தளங்கள் (e-தக்சலாவ, e-நெனபியச) · Sri Lanka Ministry of Education learning sites (e-thaksalawa, enenapiyasa)",
     "source_detail": "Sri Lanka MoE e-thaksalawa, G.C.E. A/L Chemistry Grade 12/13 (Tamil medium) course page, section 6 lesson '6.1.4 கந்தகம் (NC)'",
     "url": "https://e-thaksalawa.moe.gov.lk/lcms/course/view.php?id=264",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கந்தகம்",
     "romanised": "kantakam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%A8%E0%AF%8D%E0%AE%A4%E0%AE%95%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கந்தகம்",
     "romanised": "kantakam",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon (via wisdomlib); 1947 Madras chemistry glossary; IS 19047 (Part 3):2024",
     "url": "https://www.wisdomlib.org/definition/kantakam",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கந்தகச்சத்து",
     "romanised": "kantakaccattu",
     "layer": "common",
     "evidence": "attested",
     "source": "தமிழ்நாடு வேளாண்மைப் பல்கலைக்கழக வேளாண் இணையதளம் · TNAU Agritech Portal",
     "source_detail": "TNAU agritech portal: Sulphur 'சல்பர்' (also 'கந்தகச்சத்து'). Built on the traditional கந்தகம்.",
     "url": "https://agritech.tnau.ac.in/ta/Agriculture/agri_min_nutri_essentialelements_ta.html",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கந்தகம்",
     "romanised": "kantakam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 3, 'கந்தகத்தின் புறவேற்றுமை வடிவங்கள்' (BrainKart) — native Tamil name used in Class 12 Unit 3 (also கந்தக அமிலம், கந்தக டை ஆக்சைடு)",
     "url": "https://www.brainkart.in/article/Allotrophic-forms-of-sulphur_38610/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "சல்பர்",
     "romanised": "calpar",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "கந்தி",
     "romanised": "kanti",
     "layer": "classical",
     "evidence": "attested",
     "source": "IS 19047 (பகுதி 3): 2024 — சித்த மருத்துவக் கலைச்சொற்கள் · IS 19047 (Part 3):2024 Siddha — Glossary of Terms, Part 3",
     "source_detail": "IS 19047 (Part 3):2024",
     "url": "https://services.bis.gov.in/tmp/AYD44723820_09122024_1.pdf",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 17,
   "symbol": "Cl",
   "english": "Chlorine",
   "atomic_mass": "35.45",
   "category": "halogen",
   "category_ta": "ஹாலஜன்கள்",
   "period": 3,
   "group": 17,
   "block": "p",
   "electron_configuration": "[Ne] 3s2 3p5",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    7
   ],
   "state": "gas",
   "discovered": "1774",
   "etymology_ta": "கிரேக்க chloros (வெளிர் பச்சை) — இவ்வாயுவின் நிறம்.",
   "etymology_en": "Greek chloros 'pale green', the colour of the gas.",
   "url": "https://anu.oliyonresearch.com/element/Cl/",
   "names": [
    {
     "tamil": "குளோரின்",
     "romanised": "kuḷōriṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 3 'p-தொகுதி தனிமங்கள்-II', article 'குளோரின்' (BrainKart) — article title and text",
     "url": "https://www.brainkart.in/article/Chlorine_38614/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "குளோரின்",
     "romanised": "kuḷōriṉ",
     "layer": "lk",
     "evidence": "reported",
     "source": "இலங்கைக் கல்வி அமைச்சின் கற்றல் தளங்கள் (e-தக்சலாவ, e-நெனபியச) · Sri Lanka Ministry of Education learning sites (e-thaksalawa, enenapiyasa)",
     "source_detail": "Sri Lankan Tamil-medium Grade 10 Science worksheet ('அயன்பிணைப்பு', unit 10 chemical bonds) on the MoE e-learning LMS enenapiyasa.lk; typed in Bamini legacy font — Unicode here is Claude's mechanical Bamini decoding of the raw string; raw 'FNshupd;' (table row 4); same raw string beside Cl2 in the G",
     "url": "https://www.enenapiyasa.lk/lms/pluginfile.php/24821/mod_folder/content/0/%E0%AE%85%E0%AE%AF%E0%AE%A9%E0%AF%8D%E0%AE%AA%E0%AE%BF%E0%AE%A3%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81.pdf?forcedownload=1",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "குளோரின்",
     "romanised": "kuḷōriṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AF%81%E0%AE%B3%E0%AF%8B%E0%AE%B0%E0%AE%BF%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 18,
   "symbol": "Ar",
   "english": "Argon",
   "atomic_mass": "39.95",
   "category": "noble",
   "category_ta": "மந்த வாயுக்கள்",
   "period": 3,
   "group": 18,
   "block": "p",
   "electron_configuration": "[Ne] 3s2 3p6",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    8
   ],
   "state": "gas",
   "discovered": "1894",
   "etymology_ta": "கிரேக்க argos (சோம்பல்). எதனுடனும் அரிதாகவே வினைபுரிவதால் இப்பெயர்.",
   "etymology_en": "Greek argos 'idle, lazy': it hardly reacts with anything.",
   "url": "https://anu.oliyonresearch.com/element/Ar/",
   "names": [
    {
     "tamil": "ஆர்கான்",
     "romanised": "ārkāṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Samacheer Kalvi Class 9 Science (Tamil medium) Unit 12 'தனிமங்களின் வகைப்பாட்டு அட்டவணை', section 'நவீன கால தனிம வரிசை அட்டவணை' (BrainKart Tamil reproduction of textbook text) — also S3, S23, S26",
     "url": "https://www.brainkart.in/article/Modern-Periodic-Table_39883/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஆகன்",
     "romanised": "ākaṉ",
     "layer": "lk",
     "evidence": "reported",
     "source": "இலங்கைக் கல்வி அமைச்சின் கற்றல் தளங்கள் (e-தக்சலாவ, e-நெனபியச) · Sri Lanka Ministry of Education learning sites (e-thaksalawa, enenapiyasa)",
     "source_detail": "Sri Lankan Tamil-medium Grade 10 Science worksheet ('அயன்பிணைப்பு', unit 10 chemical bonds) on the MoE e-learning LMS enenapiyasa.lk; typed in Bamini legacy font — Unicode here is Claude's mechanical Bamini decoding of the raw string; raw 'Mfd;' (table row 5)",
     "url": "https://www.enenapiyasa.lk/lms/pluginfile.php/24821/mod_folder/content/0/%E0%AE%85%E0%AE%AF%E0%AE%A9%E0%AF%8D%E0%AE%AA%E0%AE%BF%E0%AE%A3%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81.pdf?forcedownload=1",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஆர்கான்",
     "romanised": "ārkāṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%B0%E0%AF%8D%E0%AE%95%E0%AE%BE%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஆர்கன்",
     "romanised": "ārkaṉ",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the body of the Tamil Wikipedia article தனிம அட்டவணை வரலாறு (history of the periodic table)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE_%E0%AE%85%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%B5%E0%AE%A3%E0%AF%88_%E0%AE%B5%E0%AE%B0%E0%AE%B2%E0%AE%BE%E0%AE%B1%E0%AF%81",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 19,
   "symbol": "K",
   "english": "Potassium",
   "atomic_mass": "39.098",
   "category": "alkali",
   "category_ta": "கார உலோகங்கள்",
   "period": 4,
   "group": 1,
   "block": "s",
   "electron_configuration": "[Ar] 4s1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    8,
    1
   ],
   "state": "solid",
   "discovered": "1807",
   "etymology_ta": "பொட்டாஷ் (சாம்பல் உப்பு) என்ற சொல்லிலிருந்து; K என்ற குறியீடு இலத்தீன் kalium, அரபு al-qali (தாவரச் சாம்பல்).",
   "etymology_en": "From potash ('pot-ash'); the symbol K is from Latin kalium, from Arabic al-qali 'plant ashes'.",
   "url": "https://anu.oliyonresearch.com/element/K/",
   "names": [
    {
     "tamil": "பொட்டாசியம்",
     "romanised": "poṭṭāciyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 11 Chemistry Vol 1 (Tamil medium) Unit 5, 'கார உலோகங்கள்' (BrainKart) — printed with symbol K; also Class 7 table (S23)",
     "url": "https://www.brainkart.in/article/Alkali-metals_34724/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "பொட்டாசியம்",
     "romanised": "poṭṭāciyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%8A%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BE%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "சாம்பல்சத்து",
     "romanised": "cāmpalcattu",
     "layer": "common",
     "evidence": "attested",
     "source": "தமிழ்நாடு வேளாண்மைப் பல்கலைக்கழக வேளாண் இணையதளம் · TNAU Agritech Portal",
     "source_detail": "TNAU agritech portal: Potassium 'பொட்டாசியம்' (also 'சாம்பல்சத்து'), literally 'ash nutrient', paralleling English 'potash'.",
     "url": "https://agritech.tnau.ac.in/ta/Agriculture/agri_min_nutri_essentialelements_ta.html",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 20,
   "symbol": "Ca",
   "english": "Calcium",
   "atomic_mass": "40.078",
   "category": "alkaline",
   "category_ta": "காரமண் உலோகங்கள்",
   "period": 4,
   "group": 2,
   "block": "s",
   "electron_configuration": "[Ar] 4s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1808",
   "etymology_ta": "இலத்தீன் calx (சுண்ணாம்பு).",
   "etymology_en": "Latin calx 'lime'.",
   "url": "https://anu.oliyonresearch.com/element/Ca/",
   "names": [
    {
     "tamil": "கால்சியம்",
     "romanised": "kālciyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 7 Science Term 1 Unit 3 'நம்மைச் சுற்றியுள்ள பருப்பொருள்கள்', Activity 1 table of elements and symbols (BrainKart) — Activity table 'கால்சியம் | Ca'",
     "url": "https://www.brainkart.in/article/Elements_43203/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கல்சியம்",
     "romanised": "kalciyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%B2%E0%AF%8D%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "சுண்ணாம்புச்சத்து",
     "romanised": "cuṇṇāmpuccattu",
     "layer": "common",
     "evidence": "attested",
     "source": "தமிழ்நாடு வேளாண்மைப் பல்கலைக்கழக வேளாண் இணையதளம் · TNAU Agritech Portal",
     "source_detail": "TNAU agritech portal: Calcium 'கால்சியம்' (also 'சுண்ணாம்புச்சத்து'), literally 'lime nutrient'.",
     "url": "https://agritech.tnau.ac.in/ta/Agriculture/agri_min_nutri_essentialelements_ta.html",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கல்சியம்",
     "romanised": "kalciyam",
     "layer": "lk",
     "evidence": "reported",
     "source": "ta.periodic-table.io · ta.periodic-table.io",
     "source_detail": "ta.periodic-table.io. Tamil Wikipedia's list and TNAU use கால்சியம், and the 1947 glossary prints கால்ஹியம் (OCR).",
     "url": "https://ta.periodic-table.io/list",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கால்சியம்",
     "romanised": "kālciyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 21,
   "symbol": "Sc",
   "english": "Scandium",
   "atomic_mass": "44.956",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 4,
   "group": 3,
   "block": "d",
   "electron_configuration": "[Ar] 3d1 4s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    9,
    2
   ],
   "state": "solid",
   "discovered": "1879",
   "etymology_ta": "இலத்தீன் Scandia (ஸ்காண்டிநேவியா).",
   "etymology_en": "Latin Scandia 'Scandinavia'.",
   "url": "https://anu.oliyonresearch.com/element/Sc/",
   "names": [
    {
     "tamil": "ஸ்காண்டியம்",
     "romanised": "skāṇṭiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'இடைநிலை தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — Class 12 spelling (also S21)",
     "url": "https://www.brainkart.in/article/General-trend-in-properties-of-Transition-Elements_38627/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "இசுக்காண்டியம்",
     "romanised": "icukkāṇṭiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%9A%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%BE%E0%AE%A3%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஸ்கேன்டியம்",
     "romanised": "skēṉṭiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 11 Chemistry Vol 1 (Tamil medium) Unit 3, 'எலக்ட்ரான் அமைப்பின் அடிப்படையில் தனிமங்களை தொகுதிபடுத்துதல்' (BrainKart) — Class 11 spelling, seen inflected as 'ஸ்கேன்டியத்திலிருந்து'",
     "url": "https://www.brainkart.in/article/Grouping-of-Elements-based-on-Electronic-Configurations_34688/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஸ்காண்டியம்",
     "romanised": "skāṇṭiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 22,
   "symbol": "Ti",
   "english": "Titanium",
   "atomic_mass": "47.867",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 4,
   "group": 4,
   "block": "d",
   "electron_configuration": "[Ar] 3d2 4s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    10,
    2
   ],
   "state": "solid",
   "discovered": "1791",
   "etymology_ta": "கிரேக்கப் புராணத்தின் டைட்டன்கள் என்ற வலிய கடவுளர் பெயரால்.",
   "etymology_en": "The Titans of Greek mythology.",
   "url": "https://anu.oliyonresearch.com/element/Ti/",
   "names": [
    {
     "tamil": "டைட்டேனியம்",
     "romanised": "ṭaiṭṭēṉiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'இடைநிலை தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — also S21",
     "url": "https://www.brainkart.in/article/General-trend-in-properties-of-Transition-Elements_38627/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "தைட்டானியம்",
     "romanised": "taiṭṭāṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title (seen through a redirect)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9F%E0%AF%88%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AF%87%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "டைட்டேனியம்",
     "romanised": "ṭaiṭṭēṉiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "redirect: URL path டைட்டேனியம் returned the page titled தைட்டானியம்; also the list-page spelling",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9F%E0%AF%88%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AF%87%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 23,
   "symbol": "V",
   "english": "Vanadium",
   "atomic_mass": "50.942",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 4,
   "group": 5,
   "block": "d",
   "electron_configuration": "[Ar] 3d3 4s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    11,
    2
   ],
   "state": "solid",
   "discovered": "1801",
   "etymology_ta": "நோர்டியத் தெய்வம் ஃபிரேயாவின் மற்றொரு பெயர் Vanadís; இதன் சேர்மங்கள் பல வண்ணங்களில் இருப்பதால்.",
   "etymology_en": "Vanadís, a name of the Norse goddess Freyja, for its many-coloured compounds.",
   "url": "https://anu.oliyonresearch.com/element/V/",
   "names": [
    {
     "tamil": "வெனேடியம்",
     "romanised": "veṉēṭiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'இடைநிலை தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — also S21",
     "url": "https://www.brainkart.in/article/General-trend-in-properties-of-Transition-Elements_38627/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "வனேடியம்",
     "romanised": "vaṉēṭiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%B5%E0%AE%A9%E0%AF%87%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 24,
   "symbol": "Cr",
   "english": "Chromium",
   "atomic_mass": "51.996",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 4,
   "group": 6,
   "block": "d",
   "electron_configuration": "[Ar] 3d5 4s1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    13,
    1
   ],
   "state": "solid",
   "discovered": "1797",
   "etymology_ta": "கிரேக்க chroma (நிறம்). இதன் சேர்மங்கள் பளிச்சென்ற நிறம் கொண்டவை.",
   "etymology_en": "Greek chroma 'colour': its compounds are brightly coloured.",
   "url": "https://anu.oliyonresearch.com/element/Cr/",
   "names": [
    {
     "tamil": "குரோமியம்",
     "romanised": "kurōmiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'இடைநிலை தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — also S21",
     "url": "https://www.brainkart.in/article/General-trend-in-properties-of-Transition-Elements_38627/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "குரோமியம்",
     "romanised": "kurōmiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AF%81%E0%AE%B0%E0%AF%8B%E0%AE%AE%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 25,
   "symbol": "Mn",
   "english": "Manganese",
   "atomic_mass": "54.938",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 4,
   "group": 7,
   "block": "d",
   "electron_configuration": "[Ar] 3d5 4s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    13,
    2
   ],
   "state": "solid",
   "discovered": "1774",
   "etymology_ta": "கிரேக்க மக்னீசியா பகுதியின் 'கருப்பு மக்னீசியா' என்ற கனிமத்திலிருந்து.",
   "etymology_en": "From magnesia nigra, a black mineral from Magnesia in Greece.",
   "url": "https://anu.oliyonresearch.com/element/Mn/",
   "names": [
    {
     "tamil": "மாங்கனீஸ்",
     "romanised": "māṅkaṉīs",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'இடைநிலை தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — S21 prints 'மாங்கனீஸ்' on the Mn atomic-number (25) line",
     "url": "https://www.brainkart.in/article/General-trend-in-properties-of-Transition-Elements_38627/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "மாங்கனீசு",
     "romanised": "māṅkaṉīcu",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AE%E0%AE%BE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%A9%E0%AF%80%E0%AE%9A%E0%AF%81",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "மாங்கனீசு",
     "romanised": "māṅkaṉīcu",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, book-back 'பின்வரும் வினாக்களுக்கு விடையளிக்க' (BrainKart) — variant on same page (a third form மாங்கனிஸ் also reported there)",
     "url": "https://www.brainkart.in/article/Transition-and-Inner-Transition-Elements--Answer-the-following-questions_38640",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 26,
   "symbol": "Fe",
   "english": "Iron",
   "atomic_mass": "55.845",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 4,
   "group": 8,
   "block": "d",
   "electron_configuration": "[Ar] 3d6 4s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    14,
    2
   ],
   "state": "solid",
   "discovered": "ancient",
   "etymology_ta": "பழைய ஆங்கிலம் iren; Fe என்ற குறியீடு இலத்தீன் ferrum-இலிருந்து. தமிழ்நாட்டின் கொடுமணல், ஆதிச்சநல்லூர் போன்ற இடங்களில் தொன்மையான இரும்புப் பயன்பாட்டுச் சான்றுகள் உள்ளன.",
   "etymology_en": "Old English iren; the symbol Fe is from Latin ferrum.",
   "url": "https://anu.oliyonresearch.com/element/Fe/",
   "names": [
    {
     "tamil": "இரும்பு",
     "romanised": "irumpu",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, book-back 'பின்வரும் வினாக்களுக்கு விடையளிக்க' (BrainKart) — given with Fe and atomic number 26; also Class 7 table (S23) 'இரும்பு | Fe'",
     "url": "https://www.brainkart.in/article/Transition-and-Inner-Transition-Elements--Answer-the-following-questions_38640",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "இரும்பு",
     "romanised": "irumpu",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%B0%E0%AF%81%E0%AE%AE%E0%AF%8D%E0%AE%AA%E0%AF%81",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "இரும்பு",
     "romanised": "irumpu",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon (via wisdomlib), citing Tēvāram (1911 ed.) 209.3",
     "url": "https://www.wisdomlib.org/definition/irumpu",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "அயம்",
     "romanised": "ayam",
     "layer": "classical",
     "evidence": "attested",
     "source": "வேதியியல் கலைச்சொற்கள் (சென்னை அரசு, 1947) · List of Technical and Scientific Terms: Chemistry (Government of Madras, 1947)",
     "source_detail": "1947 Madras chemistry glossary; IS 19047 (Part 3) draft, Dec 2023",
     "url": "https://www.tamildigitallibrary.in/admin/assets/book/TVA_BOK_0011573_List_Of_Technical_and_Scientific_Terms.pdf",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "கரும்பொன்",
     "romanised": "karumpoṉ",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon s.v. இரும்பு, பொன்",
     "url": "https://www.wisdomlib.org/definition/irumpu",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "பொன்",
     "romanised": "poṉ",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon s.v. பொன், citing Tirukkuṟaḷ 931 and Piṅkalam",
     "url": "https://www.wisdomlib.org/definition/pon",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 27,
   "symbol": "Co",
   "english": "Cobalt",
   "atomic_mass": "58.933",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 4,
   "group": 9,
   "block": "d",
   "electron_configuration": "[Ar] 3d7 4s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    15,
    2
   ],
   "state": "solid",
   "discovered": "1735",
   "etymology_ta": "ஜெர்மன் Kobold (குறும்புப் பூதம்). தொல்லை தரும் இத்தாதுவுக்குப் பூதங்களே காரணம் எனச் சுரங்கத் தொழிலாளர் நம்பினர்.",
   "etymology_en": "German Kobold 'goblin': miners blamed goblins for this troublesome ore.",
   "url": "https://anu.oliyonresearch.com/element/Co/",
   "names": [
    {
     "tamil": "கோபால்ட்",
     "romanised": "kōpālṭ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, book-back 'பின்வரும் வினாக்களுக்கு விடையளிக்க' (BrainKart) — also Class 9 notes (S3)",
     "url": "https://www.brainkart.in/article/Transition-and-Inner-Transition-Elements--Answer-the-following-questions_38640",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கோபால்ட்டு",
     "romanised": "kōpālṭṭu",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title (seen through a redirect)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AF%8B%E0%AE%AA%E0%AE%BE%E0%AE%B2%E0%AF%8D%E0%AE%9F%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கோபால்ட்",
     "romanised": "kōpālṭ",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "redirect: URL path கோபால்ட் returned the page titled கோபால்ட்டு; also the list-page spelling and used in தனிம அட்டவணை வரலாறு",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AF%8B%E0%AE%AA%E0%AE%BE%E0%AE%B2%E0%AF%8D%E0%AE%9F%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 28,
   "symbol": "Ni",
   "english": "Nickel",
   "atomic_mass": "58.693",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 4,
   "group": 10,
   "block": "d",
   "electron_configuration": "[Ar] 3d8 4s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    16,
    2
   ],
   "state": "solid",
   "discovered": "1751",
   "etymology_ta": "ஜெர்மன் Kupfernickel (பேய்ச் செம்பு). செம்பு போலத் தோன்றினாலும் செம்பு தராத தாது.",
   "etymology_en": "German Kupfernickel 'devil's copper': the ore looked like copper but gave none.",
   "url": "https://anu.oliyonresearch.com/element/Ni/",
   "names": [
    {
     "tamil": "நிக்கல்",
     "romanised": "nikkal",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'இடைநிலை தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — also S21, S15",
     "url": "https://www.brainkart.in/article/General-trend-in-properties-of-Transition-Elements_38627/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "நிக்கல்",
     "romanised": "nikkal",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AE%BF%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 29,
   "symbol": "Cu",
   "english": "Copper",
   "atomic_mass": "63.546",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 4,
   "group": 11,
   "block": "d",
   "electron_configuration": "[Ar] 3d10 4s1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    1
   ],
   "state": "solid",
   "discovered": "ancient",
   "etymology_ta": "இலத்தீன் cuprum; சைப்ரஸ் தீவின் உலோகம் (aes Cyprium) என்பதிலிருந்து.",
   "etymology_en": "Latin cuprum, from aes Cyprium 'metal of Cyprus'.",
   "url": "https://anu.oliyonresearch.com/element/Cu/",
   "names": [
    {
     "tamil": "தாமிரம்",
     "romanised": "tāmiram",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 7 Science Term 1 Unit 3 'நம்மைச் சுற்றியுள்ள பருப்பொருள்கள்', Activity 1 table of elements and symbols (BrainKart) — Activity table 'தாமிரம் | Cu'; also S4, S20",
     "url": "https://www.brainkart.in/article/Elements_43203/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "செப்பு",
     "romanised": "ceppu",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AF%86%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "செம்பு",
     "romanised": "cempu",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon (via wisdomlib), citing Cilappatikāram Arumpatavurai; IS 19047 (Part 3):2024",
     "url": "https://www.wisdomlib.org/definition/cempu",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "செப்பு",
     "romanised": "ceppu",
     "layer": "common",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Tamil Wikipedia 'தனிமங்களின் எண் பட்டியல்'; ta.periodic-table.io",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "காப்பர்",
     "romanised": "kāppar",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, book-back 'பின்வரும் வினாக்களுக்கு விடையளிக்க' (BrainKart) — printed with Cu; also Class 10 quiz (S6) and Class 11 (S15)",
     "url": "https://www.brainkart.in/article/Transition-and-Inner-Transition-Elements--Answer-the-following-questions_38640",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "செம்பு",
     "romanised": "cempu",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 9 Science Lesson 12 'தனிமங்களின் வகைப்பாட்டு அட்டவணை' notes (WINMEEN study notes based on the Samacheer textbook; symbol not printed beside the name) — native word in Class 9 notes",
     "url": "https://winmeen.com/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D-%E0%AE%B5%E0%AE%95%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AE%BE%E0%AE%9F%E0%AF%8D%E0%AE%9F-2/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "செம்பு",
     "romanised": "cempu",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "redirect: search result for URL path \"செம்பு\" returned the page titled with the main name, i.e. this title redirects to the article",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AF%86%E0%AE%AE%E0%AF%8D%E0%AE%AA%E0%AF%81",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "தாமிரம்",
     "romanised": "tāmiram",
     "layer": "classical",
     "evidence": "attested",
     "source": "வேதியியல் கலைச்சொற்கள் (சென்னை அரசு, 1947) · List of Technical and Scientific Terms: Chemistry (Government of Madras, 1947)",
     "source_detail": "1947 Madras chemistry glossary; Tamil Nadu Agricultural University agritech portal",
     "url": "https://www.tamildigitallibrary.in/admin/assets/book/TVA_BOK_0011573_List_Of_Technical_and_Scientific_Terms.pdf",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "நேர்ப்பாளம்",
     "romanised": "nērppāḷam",
     "layer": "classical",
     "evidence": "attested",
     "source": "IS 19047 (பகுதி 3): 2024 — சித்த மருத்துவக் கலைச்சொற்கள் · IS 19047 (Part 3):2024 Siddha — Glossary of Terms, Part 3",
     "source_detail": "IS 19047 (Part 3) entry 123",
     "url": "https://www.services.bis.gov.in/tmp/WCAYD44723820_18122023_1.pdf",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 30,
   "symbol": "Zn",
   "english": "Zinc",
   "atomic_mass": "65.38",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 4,
   "group": 12,
   "block": "d",
   "electron_configuration": "[Ar] 3d10 4s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    2
   ],
   "state": "solid",
   "discovered": "Medieval India; 1746 in Europe",
   "etymology_ta": "ஜெர்மன் Zink; அதன் கூரான படிகங்களைக் குறிக்கும் Zinke என்பதிலிருந்து இருக்கலாம். ஐரோப்பாவுக்கு முன்பே இந்தியாவின் சாவர் (Zawar) பகுதியில் உருக்கி எடுக்கப்பட்டது.",
   "etymology_en": "German Zink, perhaps from Zinke 'prong', for its jagged crystals.",
   "url": "https://anu.oliyonresearch.com/element/Zn/",
   "names": [
    {
     "tamil": "துத்தநாகம்",
     "romanised": "tuttanākam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 10 Science (Tamil medium) Unit 8 'தனிமங்களின் ஆவர்த்தன வகைப்பாடு', book-back questions with answers (BrainKart) — with Zn; also S20, S21",
     "url": "https://www.brainkart.in/article/Book-Back-Questions-with-Answers_39665/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "துத்தநாகம்",
     "romanised": "tuttanākam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AF%81%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AE%A8%E0%AE%BE%E0%AE%95%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "துத்தநாகம்",
     "romanised": "tuttanākam",
     "layer": "classical",
     "evidence": "attested",
     "source": "வேதியியல் கலைச்சொற்கள் (சென்னை அரசு, 1947) · List of Technical and Scientific Terms: Chemistry (Government of Madras, 1947)",
     "source_detail": "1947 Madras chemistry glossary; TNAU agritech portal; etymology at wehd.com 'Tutenag'",
     "url": "https://www.tamildigitallibrary.in/admin/assets/book/TVA_BOK_0011573_List_Of_Technical_and_Scientific_Terms.pdf",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "நாகம்",
     "romanised": "nākam",
     "layer": "lk",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "first sentence of the article: \"துத்தநாகம் (இலங்கை வழக்கு: நாகம்) ஒரு தனிமம்.\" (Sri Lankan usage)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AF%81%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AE%A8%E0%AE%BE%E0%AE%95%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஜிங்க்",
     "romanised": "jiṅk",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 3, book-back answers (BrainKart) — transliteration used once in Class 12 Unit 3",
     "url": "https://www.brainkart.in/article/p-Block-Elements-II--Answer-the-following-questions_38623/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "நாகம்",
     "romanised": "nākam",
     "layer": "classical",
     "evidence": "attested",
     "source": "IS 19047 (பகுதி 3): 2024 — சித்த மருத்துவக் கலைச்சொற்கள் · IS 19047 (Part 3):2024 Siddha — Glossary of Terms, Part 3",
     "source_detail": "IS 19047 (Part 3):2024; 1947 Madras chemistry glossary",
     "url": "https://services.bis.gov.in/tmp/AYD44723820_09122024_1.pdf",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 31,
   "symbol": "Ga",
   "english": "Gallium",
   "atomic_mass": "69.723",
   "category": "post",
   "category_ta": "பிந்தைய இடைநிலை உலோகங்கள்",
   "period": 4,
   "group": 13,
   "block": "p",
   "electron_configuration": "[Ar] 3d10 4s2 4p1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    3
   ],
   "state": "solid",
   "discovered": "1875",
   "etymology_ta": "இலத்தீன் Gallia (பிரான்சு).",
   "etymology_en": "Latin Gallia 'France'.",
   "url": "https://anu.oliyonresearch.com/element/Ga/",
   "names": [
    {
     "tamil": "காலியம்",
     "romanised": "kāliyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 11 Chemistry Vol 1 (Tamil medium) Unit 3, Mendeleev's classification (BrainKart) — printed with symbol Ga (eka-aluminium discussion)",
     "url": "https://www.brainkart.in/article/Mendeleev-s-Classification_34683/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "காலியம்",
     "romanised": "kāliyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%BE%E0%AE%B2%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 32,
   "symbol": "Ge",
   "english": "Germanium",
   "atomic_mass": "72.630",
   "category": "metalloid",
   "category_ta": "உலோகப்போலிகள்",
   "period": 4,
   "group": 14,
   "block": "p",
   "electron_configuration": "[Ar] 3d10 4s2 4p2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    4
   ],
   "state": "solid",
   "discovered": "1886",
   "etymology_ta": "இலத்தீன் Germania (ஜெர்மனி).",
   "etymology_en": "Latin Germania 'Germany'.",
   "url": "https://anu.oliyonresearch.com/element/Ge/",
   "names": [
    {
     "tamil": "ஜெர்மானியம்",
     "romanised": "jermāṉiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 11 Chemistry Vol 1 (Tamil medium) Unit 3, Mendeleev's classification (BrainKart) — printed with symbol Ge (eka-silicon discussion)",
     "url": "https://www.brainkart.in/article/Mendeleev-s-Classification_34683/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "செருமேனியம்",
     "romanised": "cerumēṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AF%86%E0%AE%B0%E0%AF%81%E0%AE%AE%E0%AF%87%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "செர்மானியம்",
     "romanised": "cermāṉiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஜெர்மானியம்",
     "romanised": "jermāṉiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the body of the Tamil Wikipedia article தனிம அட்டவணை வரலாறு (history of the periodic table)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE_%E0%AE%85%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%B5%E0%AE%A3%E0%AF%88_%E0%AE%B5%E0%AE%B0%E0%AE%B2%E0%AE%BE%E0%AE%B1%E0%AF%81",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 33,
   "symbol": "As",
   "english": "Arsenic",
   "atomic_mass": "74.922",
   "category": "metalloid",
   "category_ta": "உலோகப்போலிகள்",
   "period": 4,
   "group": 15,
   "block": "p",
   "electron_configuration": "[Ar] 3d10 4s2 4p3",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    5
   ],
   "state": "solid",
   "discovered": "c. 1250",
   "etymology_ta": "கிரேக்க arsenikon (மஞ்சள் அரிதாரம்); பாரசீக zarnikh (பொன்னிறம்) என்பதிலிருந்து.",
   "etymology_en": "Greek arsenikon 'yellow orpiment', from Persian zarnikh 'golden'.",
   "url": "https://anu.oliyonresearch.com/element/As/",
   "names": [
    {
     "tamil": "ஆர்சனிக்",
     "romanised": "ārcaṉik",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 2, 'p-தொகுதி தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — also Class 7 (S23)",
     "url": "https://www.brainkart.in/article/General-trends-in-properties-of-p-block-elements_38577/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஆசனிக்கு",
     "romanised": "ācaṉikku",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title (seen through a redirect)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%B0%E0%AF%8D%E0%AE%9A%E0%AE%A9%E0%AE%BF%E0%AE%95%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஆர்செனிக்",
     "romanised": "ārceṉik",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 9 Science Lesson 12 'தனிமங்களின் வகைப்பாட்டு அட்டவணை' notes (WINMEEN study notes based on the Samacheer textbook; symbol not printed beside the name) — -செ- spelling",
     "url": "https://winmeen.com/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D-%E0%AE%B5%E0%AE%95%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AE%BE%E0%AE%9F%E0%AF%8D%E0%AE%9F-2/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஆர்சனிக்",
     "romanised": "ārcaṉik",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "article shows redirect notice \"(ஆர்சனிக் இலிருந்து வழிமாற்றப்பட்டது)\"; the first sentence itself also uses it: \"ஆர்சனிக் (Arsenic) என்பது As ...\"; also the list-page spelling",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%B0%E0%AF%8D%E0%AE%9A%E0%AE%A9%E0%AE%BF%E0%AE%95%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 34,
   "symbol": "Se",
   "english": "Selenium",
   "atomic_mass": "78.971",
   "category": "nonmetal",
   "category_ta": "அலோகங்கள்",
   "period": 4,
   "group": 16,
   "block": "p",
   "electron_configuration": "[Ar] 3d10 4s2 4p4",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    6
   ],
   "state": "solid",
   "discovered": "1817",
   "etymology_ta": "கிரேக்க selene (நிலவு); புவியின் பெயர் கொண்ட டெல்லூரியத்துடன் கிடைத்ததால்.",
   "etymology_en": "Greek selene 'Moon' (it was found beside tellurium, named for the Earth).",
   "url": "https://anu.oliyonresearch.com/element/Se/",
   "names": [
    {
     "tamil": "செலினியம்",
     "romanised": "celiṉiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 2, 'p-தொகுதி தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart)",
     "url": "https://www.brainkart.in/article/General-trends-in-properties-of-p-block-elements_38577/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "செலீனியம்",
     "romanised": "celīṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AF%86%E0%AE%B2%E0%AF%80%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 35,
   "symbol": "Br",
   "english": "Bromine",
   "atomic_mass": "79.904",
   "category": "halogen",
   "category_ta": "ஹாலஜன்கள்",
   "period": 4,
   "group": 17,
   "block": "p",
   "electron_configuration": "[Ar] 3d10 4s2 4p5",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    7
   ],
   "state": "liquid",
   "discovered": "1826",
   "etymology_ta": "கிரேக்க bromos (துர்நாற்றம்).",
   "etymology_en": "Greek bromos 'stench'.",
   "url": "https://anu.oliyonresearch.com/element/Br/",
   "names": [
    {
     "tamil": "புரோமின்",
     "romanised": "purōmiṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 11 Chemistry Vol 1 (Tamil medium) Unit 3, section 'தனிமங்களை வகைப்படுத்துதல்' (BrainKart) — also S23, S24",
     "url": "https://www.brainkart.in/article/Classification-of-Elements_34682/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "புரோமின்",
     "romanised": "purōmiṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%81%E0%AE%B0%E0%AF%8B%E0%AE%AE%E0%AE%BF%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 36,
   "symbol": "Kr",
   "english": "Krypton",
   "atomic_mass": "83.798",
   "category": "noble",
   "category_ta": "மந்த வாயுக்கள்",
   "period": 4,
   "group": 18,
   "block": "p",
   "electron_configuration": "[Ar] 3d10 4s2 4p6",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    8
   ],
   "state": "gas",
   "discovered": "1898",
   "etymology_ta": "கிரேக்க kryptos (மறைந்திருப்பது).",
   "etymology_en": "Greek kryptos 'hidden'.",
   "url": "https://anu.oliyonresearch.com/element/Kr/",
   "names": [
    {
     "tamil": "கிரிப்டான்",
     "romanised": "kiripṭāṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Samacheer Kalvi Class 9 Science (Tamil medium) Unit 12 'தனிமங்களின் வகைப்பாட்டு அட்டவணை', section 'நவீன கால தனிம வரிசை அட்டவணை' (BrainKart Tamil reproduction of textbook text) — also S3",
     "url": "https://www.brainkart.in/article/Modern-Periodic-Table_39883/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கிரிப்டான்",
     "romanised": "kiripṭāṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%BF%E0%AE%B0%E0%AE%BF%E0%AE%AA%E0%AF%8D%E0%AE%9F%E0%AE%BE%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கிருப்டான்",
     "romanised": "kirupṭāṉ",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 37,
   "symbol": "Rb",
   "english": "Rubidium",
   "atomic_mass": "85.468",
   "category": "alkali",
   "category_ta": "கார உலோகங்கள்",
   "period": 5,
   "group": 1,
   "block": "s",
   "electron_configuration": "[Kr] 5s1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    8,
    1
   ],
   "state": "solid",
   "discovered": "1861",
   "etymology_ta": "இலத்தீன் rubidus (அடர் சிவப்பு); இதன் நிறமாலையில் தெரியும் சிவப்புக் கோடுகளால்.",
   "etymology_en": "Latin rubidus 'deep red', for its red spectral lines.",
   "url": "https://anu.oliyonresearch.com/element/Rb/",
   "names": [
    {
     "tamil": "ருபீடியம்",
     "romanised": "rupīṭiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 11 Chemistry Vol 1 (Tamil medium) Unit 5, 'கார உலோகங்கள்' (BrainKart) — printed with symbol Rb",
     "url": "https://www.brainkart.in/article/Alkali-metals_34724/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "உருபீடியம்",
     "romanised": "urupīṭiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%89%E0%AE%B0%E0%AF%81%E0%AE%AA%E0%AF%80%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ருபீடியம்",
     "romanised": "rupīṭiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "redirect: search result for URL path \"ருபீடியம்\" returned the page titled with the main name, i.e. this title redirects to the article | ALSO: name used in the article கார உலோகம் (alkali metals); also the list-page spelling (https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%BE%E0%AE%B0_%E0%AE%89%E0%AE%B",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%B0%E0%AF%81%E0%AE%AA%E0%AF%80%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 38,
   "symbol": "Sr",
   "english": "Strontium",
   "atomic_mass": "87.62",
   "category": "alkaline",
   "category_ta": "காரமண் உலோகங்கள்",
   "period": 5,
   "group": 2,
   "block": "s",
   "electron_configuration": "[Kr] 5s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1790",
   "etymology_ta": "ஸ்காட்லாந்தின் ஸ்ட்ரான்ஷியன் என்ற ஊரின் பெயரால்.",
   "etymology_en": "Strontian, a village in Scotland.",
   "url": "https://anu.oliyonresearch.com/element/Sr/",
   "names": [
    {
     "tamil": "ஸ்ட்ரான்சியம்",
     "romanised": "sṭrāṉciyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 11 Chemistry Vol 1 (Tamil medium) Unit 5, 'காரமண் உலோகங்கள்' (BrainKart)",
     "url": "https://www.brainkart.in/article/Alkaline-earth-metals_34736/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "இசுட்ரோன்சியம்",
     "romanised": "icuṭrōṉciyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%9A%E0%AF%81%E0%AE%9F%E0%AF%8D%E0%AE%B0%E0%AF%8B%E0%AE%A9%E0%AF%8D%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஸ்டிரான்சியம்",
     "romanised": "sṭirāṉciyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 39,
   "symbol": "Y",
   "english": "Yttrium",
   "atomic_mass": "88.906",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 5,
   "group": 3,
   "block": "d",
   "electron_configuration": "[Kr] 4d1 5s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    9,
    2
   ],
   "state": "solid",
   "discovered": "1794",
   "etymology_ta": "சுவீடனின் இட்டர்பி என்ற ஊர்; அதன் ஒரு கல்குவாரியிலிருந்து நான்கு தனிமங்களுக்குப் பெயர் கிடைத்தது.",
   "etymology_en": "Ytterby, a village in Sweden whose quarry gave four element names.",
   "url": "https://anu.oliyonresearch.com/element/Y/",
   "names": [
    {
     "tamil": "இட்ரியம்",
     "romanised": "iṭriyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'இடைநிலை தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — also S21",
     "url": "https://www.brainkart.in/article/General-trend-in-properties-of-Transition-Elements_38627/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "இற்றியம்",
     "romanised": "iṟṟiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%B1%E0%AF%8D%E0%AE%B1%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "யிற்றியம்",
     "romanised": "yiṟṟiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "redirect: URL path யிற்றியம் returned the page titled இற்றியம்; also the list-page spelling",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AF%E0%AE%BF%E0%AE%B1%E0%AF%8D%E0%AE%B1%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 40,
   "symbol": "Zr",
   "english": "Zirconium",
   "atomic_mass": "91.224",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 5,
   "group": 4,
   "block": "d",
   "electron_configuration": "[Kr] 4d2 5s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    10,
    2
   ],
   "state": "solid",
   "discovered": "1789",
   "etymology_ta": "சிர்கான் கனிமத்திலிருந்து; பாரசீக zargun (பொன்னிறம்).",
   "etymology_en": "From the mineral zircon (Persian zargun 'gold-coloured').",
   "url": "https://anu.oliyonresearch.com/element/Zr/",
   "names": [
    {
     "tamil": "ஜிர்கோனியம்",
     "romanised": "jirkōṉiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 11 Chemistry Vol 1 (Tamil medium) Unit 3, 'எலக்ட்ரான் அமைப்பின் அடிப்படையில் தனிமங்களை தொகுதிபடுத்துதல்' (BrainKart) — also S15",
     "url": "https://www.brainkart.in/article/Grouping-of-Elements-based-on-Electronic-Configurations_34688/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "சிர்க்கோனியம்",
     "romanised": "cirkkōṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AE%BF%E0%AE%B0%E0%AF%8D%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%8B%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 41,
   "symbol": "Nb",
   "english": "Niobium",
   "atomic_mass": "92.906",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 5,
   "group": 5,
   "block": "d",
   "electron_configuration": "[Kr] 4d4 5s1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    12,
    1
   ],
   "state": "solid",
   "discovered": "1801",
   "etymology_ta": "கிரேக்கப் புராணத்தில் டாண்டலசின் மகள் நியோபி; இது எப்போதும் டாண்டலத்துடன் கிடைப்பதால்.",
   "etymology_en": "Niobe, daughter of Tantalus in Greek myth (it is always found with tantalum).",
   "url": "https://anu.oliyonresearch.com/element/Nb/",
   "names": [
    {
     "tamil": "நையோபியம்",
     "romanised": "naiyōpiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AF%88%E0%AE%AF%E0%AF%8B%E0%AE%AA%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 42,
   "symbol": "Mo",
   "english": "Molybdenum",
   "atomic_mass": "95.95",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 5,
   "group": 6,
   "block": "d",
   "electron_configuration": "[Kr] 4d5 5s1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    13,
    1
   ],
   "state": "solid",
   "discovered": "1778",
   "etymology_ta": "கிரேக்க molybdos (ஈயம்). இதன் தாது ஈயத் தாது எனத் தவறாகக் கருதப்பட்டது.",
   "etymology_en": "Greek molybdos 'lead': its ore was mistaken for lead ore.",
   "url": "https://anu.oliyonresearch.com/element/Mo/",
   "names": [
    {
     "tamil": "மாலிப்டினம்",
     "romanised": "mālipṭiṉam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AE%E0%AE%BE%E0%AE%B2%E0%AE%BF%E0%AE%AA%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%A9%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 43,
   "symbol": "Tc",
   "english": "Technetium",
   "atomic_mass": "[98]",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 5,
   "group": 7,
   "block": "d",
   "electron_configuration": "[Kr] 4d5 5s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    13,
    2
   ],
   "state": "solid",
   "discovered": "1937",
   "etymology_ta": "கிரேக்க technetos (செயற்கையானது). மனிதர் முதன்முதலில் உருவாக்கிய தனிமம்.",
   "etymology_en": "Greek technetos 'artificial': the first element made by people.",
   "url": "https://anu.oliyonresearch.com/element/Tc/",
   "names": [
    {
     "tamil": "தெக்கினீசியம்",
     "romanised": "tekkiṉīciyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title (seen through a redirect)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9F%E0%AF%86%E0%AE%95%E0%AF%8D%E0%AE%A9%E0%AF%80%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "டெக்னீசியம்",
     "romanised": "ṭekṉīciyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "redirect: URL path டெக்னீசியம் returned the page titled தெக்கினீசியம்; same spelling used in தனிம அட்டவணை வரலாறு",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9F%E0%AF%86%E0%AE%95%E0%AF%8D%E0%AE%A9%E0%AF%80%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "டெக்னேட்டியம்",
     "romanised": "ṭekṉēṭṭiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 44,
   "symbol": "Ru",
   "english": "Ruthenium",
   "atomic_mass": "101.07",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 5,
   "group": 8,
   "block": "d",
   "electron_configuration": "[Kr] 4d7 5s1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    15,
    1
   ],
   "state": "solid",
   "discovered": "1844",
   "etymology_ta": "இலத்தீன் Ruthenia (ரஷ்யா).",
   "etymology_en": "Latin Ruthenia 'Russia'.",
   "url": "https://anu.oliyonresearch.com/element/Ru/",
   "names": [
    {
     "tamil": "ருத்தீனியம்",
     "romanised": "ruttīṉiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'இடைநிலை தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — also S21",
     "url": "https://www.brainkart.in/article/General-trend-in-properties-of-Transition-Elements_38627/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "உருத்தேனியம்",
     "romanised": "uruttēṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title (seen through a redirect)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%B0%E0%AF%81%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AF%87%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ருத்தேனியம்",
     "romanised": "ruttēṉiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "redirect: URL path ருத்தேனியம் returned the page titled உருத்தேனியம்; also the list-page spelling",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%B0%E0%AF%81%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AF%87%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 45,
   "symbol": "Rh",
   "english": "Rhodium",
   "atomic_mass": "102.91",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 5,
   "group": 9,
   "block": "d",
   "electron_configuration": "[Kr] 4d8 5s1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    16,
    1
   ],
   "state": "solid",
   "discovered": "1803",
   "etymology_ta": "கிரேக்க rhodon (ரோஜா); இதன் உப்புகள் ரோஜா நிறம் கொண்டவை.",
   "etymology_en": "Greek rhodon 'rose', for its rose-coloured salts.",
   "url": "https://anu.oliyonresearch.com/element/Rh/",
   "names": [
    {
     "tamil": "உரோடியம்",
     "romanised": "urōṭiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%89%E0%AE%B0%E0%AF%8B%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ரோடியம்",
     "romanised": "rōṭiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "redirect: URL path ரோடியம் returned the page titled உரோடியம்; also the list-page spelling",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%B0%E0%AF%8B%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 46,
   "symbol": "Pd",
   "english": "Palladium",
   "atomic_mass": "106.42",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 5,
   "group": 10,
   "block": "d",
   "electron_configuration": "[Kr] 4d10",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    18
   ],
   "state": "solid",
   "discovered": "1803",
   "etymology_ta": "ஓராண்டுக்கு முன் கண்டறியப்பட்ட பல்லாஸ் என்ற சிறுகோளின் பெயரால்.",
   "etymology_en": "The asteroid Pallas, discovered a year earlier.",
   "url": "https://anu.oliyonresearch.com/element/Pd/",
   "names": [
    {
     "tamil": "பல்லடியம்",
     "romanised": "pallaṭiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 9 Science Lesson 12 'தனிமங்களின் வகைப்பாட்டு அட்டவணை' notes (WINMEEN study notes based on the Samacheer textbook; symbol not printed beside the name)",
     "url": "https://winmeen.com/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D-%E0%AE%B5%E0%AE%95%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AE%BE%E0%AE%9F%E0%AF%8D%E0%AE%9F-2/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "பலேடியம்",
     "romanised": "palēṭiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AE%B2%E0%AF%87%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "பல்லேடியம்",
     "romanised": "pallēṭiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 47,
   "symbol": "Ag",
   "english": "Silver",
   "atomic_mass": "107.87",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 5,
   "group": 11,
   "block": "d",
   "electron_configuration": "[Kr] 4d10 5s1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    18,
    1
   ],
   "state": "solid",
   "discovered": "ancient",
   "etymology_ta": "பழைய ஆங்கிலம் seolfor; Ag என்ற குறியீடு இலத்தீன் argentum-இலிருந்து.",
   "etymology_en": "Old English seolfor; the symbol Ag is from Latin argentum.",
   "url": "https://anu.oliyonresearch.com/element/Ag/",
   "names": [
    {
     "tamil": "வெள்ளி",
     "romanised": "veḷḷi",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 7 Science Term 1 Unit 3 'நம்மைச் சுற்றியுள்ள பருப்பொருள்கள்', Activity 1 table of elements and symbols (BrainKart) — Activity table 'வெள்ளி | Ag'",
     "url": "https://www.brainkart.in/article/Elements_43203/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "வெள்ளி",
     "romanised": "veḷḷi",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%B5%E0%AF%86%E0%AE%B3%E0%AF%8D%E0%AE%B3%E0%AE%BF_(%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%AE%E0%AF%8D)",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "வெள்ளி",
     "romanised": "veḷḷi",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon (via wisdomlib), citing Piṅkalam and Cīvakacintāmaṇi; IS 19047 (Part 3):2024; 1947 Madras chemistry glossary",
     "url": "https://www.wisdomlib.org/definition/velli",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "சில்வர்",
     "romanised": "cilvar",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 10 Science (Tamil medium) Unit 8 'தனிமங்களின் ஆவர்த்தன வகைப்பாடு', book-back questions with answers (BrainKart) — transliteration also appears on this page",
     "url": "https://www.brainkart.in/article/Book-Back-Questions-with-Answers_39665/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ரசிதம்",
     "romanised": "racitam",
     "layer": "classical",
     "evidence": "attested",
     "source": "IS 19047 (பகுதி 3): 2024 — சித்த மருத்துவக் கலைச்சொற்கள் · IS 19047 (Part 3):2024 Siddha — Glossary of Terms, Part 3",
     "source_detail": "IS 19047 (Part 3):2024 (BIS, Siddha Sectional Committee AYD 05)",
     "url": "https://services.bis.gov.in/tmp/AYD44723820_09122024_1.pdf",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 48,
   "symbol": "Cd",
   "english": "Cadmium",
   "atomic_mass": "112.41",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 5,
   "group": 12,
   "block": "d",
   "electron_configuration": "[Kr] 4d10 5s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    18,
    2
   ],
   "state": "solid",
   "discovered": "1817",
   "etymology_ta": "இலத்தீன் cadmia (காலமைன்); இது கிடைத்த துத்தநாகத் தாது.",
   "etymology_en": "Latin cadmia 'calamine', the zinc ore it was found in.",
   "url": "https://anu.oliyonresearch.com/element/Cd/",
   "names": [
    {
     "tamil": "காட்மியம்",
     "romanised": "kāṭmiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%BE%E0%AE%9F%E0%AF%8D%E0%AE%AE%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 49,
   "symbol": "In",
   "english": "Indium",
   "atomic_mass": "114.82",
   "category": "post",
   "category_ta": "பிந்தைய இடைநிலை உலோகங்கள்",
   "period": 5,
   "group": 13,
   "block": "p",
   "electron_configuration": "[Kr] 4d10 5s2 5p1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    18,
    3
   ],
   "state": "solid",
   "discovered": "1863",
   "etymology_ta": "இதன் நிறமாலைக் கோட்டின் அவுரி (indigo) நிறத்திலிருந்து; indigo என்பதே கிரேக்க indikon (இந்தியச் சாயம்) என்பதிலிருந்து வந்தது.",
   "etymology_en": "From indigo, the colour of its spectral line; indigo itself is from Greek indikon 'the Indian dye'.",
   "url": "https://anu.oliyonresearch.com/element/In/",
   "names": [
    {
     "tamil": "இண்டியம்",
     "romanised": "iṇṭiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%A3%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 50,
   "symbol": "Sn",
   "english": "Tin",
   "atomic_mass": "118.71",
   "category": "post",
   "category_ta": "பிந்தைய இடைநிலை உலோகங்கள்",
   "period": 5,
   "group": 14,
   "block": "p",
   "electron_configuration": "[Kr] 4d10 5s2 5p2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    18,
    4
   ],
   "state": "solid",
   "discovered": "ancient",
   "etymology_ta": "பழைய ஆங்கிலம் tin; Sn என்ற குறியீடு இலத்தீன் stannum-இலிருந்து.",
   "etymology_en": "Old English tin; the symbol Sn is from Latin stannum.",
   "url": "https://anu.oliyonresearch.com/element/Sn/",
   "names": [
    {
     "tamil": "டின்",
     "romanised": "ṭiṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 2, 'p-தொகுதி தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — also Class 10 (S4) and Class 7 (S23)",
     "url": "https://www.brainkart.in/article/General-trends-in-properties-of-p-block-elements_38577/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "வெள்ளீயம்",
     "romanised": "veḷḷīyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%B5%E0%AF%86%E0%AE%B3%E0%AF%8D%E0%AE%B3%E0%AF%80%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "வெள்ளீயம்",
     "romanised": "veḷḷīyam",
     "layer": "classical",
     "evidence": "attested",
     "source": "வேதியியல் கலைச்சொற்கள் (சென்னை அரசு, 1947) · List of Technical and Scientific Terms: Chemistry (Government of Madras, 1947)",
     "source_detail": "Tamil Lexicon, citing Tivākaram; 1947 Madras chemistry glossary",
     "url": "https://www.tamildigitallibrary.in/admin/assets/book/TVA_BOK_0011573_List_Of_Technical_and_Scientific_Terms.pdf",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "வெள்ளீயம்",
     "romanised": "veḷḷīyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 9 Science Lesson 12 'தனிமங்களின் வகைப்பாட்டு அட்டவணை' notes (WINMEEN study notes based on the Samacheer textbook; symbol not printed beside the name) — native word",
     "url": "https://winmeen.com/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D-%E0%AE%B5%E0%AE%95%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AE%BE%E0%AE%9F%E0%AF%8D%E0%AE%9F-2/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "வெள்வங்கம்",
     "romanised": "veḷvaṅkam",
     "layer": "classical",
     "evidence": "attested",
     "source": "IS 19047 (பகுதி 3): 2024 — சித்த மருத்துவக் கலைச்சொற்கள் · IS 19047 (Part 3):2024 Siddha — Glossary of Terms, Part 3",
     "source_detail": "IS 19047 (Part 3):2024, entry 157",
     "url": "https://services.bis.gov.in/tmp/AYD44723820_09122024_1.pdf",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "வங்கம்",
     "romanised": "vaṅkam",
     "layer": "classical",
     "evidence": "reported",
     "source": "பிற இணையதளங்கள் · Other websites",
     "source_detail": "Secondary: r/Dravidiology thread (mirror)",
     "url": "https://reddit.rtrace.io/r/Dravidiology/comments/1drhrac/dravidian_borrowing_of_the_word_for_lead_from_ia",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "மிசிரகம்",
     "romanised": "micirakam",
     "layer": "classical",
     "evidence": "attested",
     "source": "IS 19047 (பகுதி 3): 2024 — சித்த மருத்துவக் கலைச்சொற்கள் · IS 19047 (Part 3):2024 Siddha — Glossary of Terms, Part 3",
     "source_detail": "IS 19047 (Part 3):2024 entry 157",
     "url": "https://services.bis.gov.in/tmp/AYD44723820_09122024_1.pdf",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 51,
   "symbol": "Sb",
   "english": "Antimony",
   "atomic_mass": "121.76",
   "category": "metalloid",
   "category_ta": "உலோகப்போலிகள்",
   "period": 5,
   "group": 15,
   "block": "p",
   "electron_configuration": "[Kr] 4d10 5s2 5p3",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    18,
    5
   ],
   "state": "solid",
   "discovered": "ancient",
   "etymology_ta": "இலத்தீன் antimonium (மூலம் தெளிவில்லை); Sb என்ற குறியீடு கண் மையாகப் பயன்பட்ட stibium-இலிருந்து.",
   "etymology_en": "Latin antimonium (origin uncertain); the symbol Sb is from stibium, the black eye cosmetic.",
   "url": "https://anu.oliyonresearch.com/element/Sb/",
   "names": [
    {
     "tamil": "ஆன்டிமனி",
     "romanised": "āṉṭimaṉi",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 2, 'p-தொகுதி தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — Class 12 spelling",
     "url": "https://www.brainkart.in/article/General-trends-in-properties-of-p-block-elements_38577/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "அந்திமனி",
     "romanised": "antimaṉi",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%85%E0%AE%A8%E0%AF%8D%E0%AE%A4%E0%AE%BF%E0%AE%AE%E0%AE%A9%E0%AE%BF",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "நீலாஞ்சனம்",
     "romanised": "nīlāñcaṉam",
     "layer": "classical",
     "evidence": "attested",
     "source": "வேதியியல் கலைச்சொற்கள் (சென்னை அரசு, 1947) · List of Technical and Scientific Terms: Chemistry (Government of Madras, 1947)",
     "source_detail": "1947 Madras chemistry glossary",
     "url": "https://www.tamildigitallibrary.in/admin/assets/book/TVA_BOK_0011573_List_Of_Technical_and_Scientific_Terms.pdf",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஆன்டிமணி",
     "romanised": "āṉṭimaṇi",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 7 Science Term 1 Unit 3 'நம்மைச் சுற்றியுள்ள பருப்பொருள்கள்', Activity 1 table of elements and symbols (BrainKart) — Class 7 spelling (ண)",
     "url": "https://www.brainkart.in/article/Elements_43203/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஆண்ட்டிமனி",
     "romanised": "āṇṭṭimaṉi",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "redirect: URL path ஆண்ட்டிமனி returned the page titled அந்திமனி; also the list-page spelling",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%A3%E0%AF%8D%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AE%E0%AE%A9%E0%AE%BF",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 52,
   "symbol": "Te",
   "english": "Tellurium",
   "atomic_mass": "127.60",
   "category": "metalloid",
   "category_ta": "உலோகப்போலிகள்",
   "period": 5,
   "group": 16,
   "block": "p",
   "electron_configuration": "[Kr] 4d10 5s2 5p4",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    18,
    6
   ],
   "state": "solid",
   "discovered": "1782",
   "etymology_ta": "இலத்தீன் tellus (புவி).",
   "etymology_en": "Latin tellus 'Earth'.",
   "url": "https://anu.oliyonresearch.com/element/Te/",
   "names": [
    {
     "tamil": "டெலூரியம்",
     "romanised": "ṭelūriyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 11 Chemistry Vol 1 (Tamil medium) Unit 3, section 'தனிமங்களை வகைப்படுத்துதல்' (BrainKart) — Class 11 (atomic mass 127.6 given)",
     "url": "https://www.brainkart.in/article/Classification-of-Elements_34682/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "வெண்கந்தகம்",
     "romanised": "veṇkantakam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title (seen through a redirect)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9F%E0%AF%86%E0%AE%B2%E0%AF%82%E0%AE%B0%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "டெல்லூரியம்",
     "romanised": "ṭellūriyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 2, 'p-தொகுதி தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — Class 12 spelling (doubled ல்)",
     "url": "https://www.brainkart.in/article/General-trends-in-properties-of-p-block-elements_38577/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "டெலூரியம்",
     "romanised": "ṭelūriyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "redirect: URL path டெலூரியம் returned (in three separate searches) the page titled வெண்கந்தகம்; also the list-page spelling. The article itself could not be fetched, so the title வெண்கந்தகம் for Te rests on this redirect evidence",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9F%E0%AF%86%E0%AE%B2%E0%AF%82%E0%AE%B0%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "தெலூரியம்",
     "romanised": "telūriyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in Tamil Wikipedia compound/category titles such as \"தெலூரியம் டையாக்சைடு\", \"தெலூரியம் அறுபுளோரைடு\", \"பகுப்பு:தெலூரியம் சேர்மங்கள்\" (search-result titles)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AF%86%E0%AE%B2%E0%AF%82%E0%AE%B0%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D_%E0%AE%9F%E0%AF%88%E0%AE%AF%E0%AE%BE%E0%AE%95%E0%AF%8D%E0%AE%9A%E0%AF%88%E0%AE%9F%E0%AF%81",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 53,
   "symbol": "I",
   "english": "Iodine",
   "atomic_mass": "126.90",
   "category": "halogen",
   "category_ta": "ஹாலஜன்கள்",
   "period": 5,
   "group": 17,
   "block": "p",
   "electron_configuration": "[Kr] 4d10 5s2 5p5",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    18,
    7
   ],
   "state": "solid",
   "discovered": "1811",
   "etymology_ta": "கிரேக்க iodes (ஊதா); இதன் ஆவியின் நிறம்.",
   "etymology_en": "Greek iodes 'violet', the colour of its vapour.",
   "url": "https://anu.oliyonresearch.com/element/I/",
   "names": [
    {
     "tamil": "அயோடின்",
     "romanised": "ayōṭiṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 11 Chemistry Vol 1 (Tamil medium) Unit 3, section 'தனிமங்களை வகைப்படுத்துதல்' (BrainKart) — atomic mass 127 given; also S23, S24",
     "url": "https://www.brainkart.in/article/Classification-of-Elements_34682/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "அயோடின்",
     "romanised": "ayōṭiṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%85%E0%AE%AF%E0%AF%8B%E0%AE%9F%E0%AE%BF%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 54,
   "symbol": "Xe",
   "english": "Xenon",
   "atomic_mass": "131.29",
   "category": "noble",
   "category_ta": "மந்த வாயுக்கள்",
   "period": 5,
   "group": 18,
   "block": "p",
   "electron_configuration": "[Kr] 4d10 5s2 5p6",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    18,
    8
   ],
   "state": "gas",
   "discovered": "1898",
   "etymology_ta": "கிரேக்க xenos (அயலான்).",
   "etymology_en": "Greek xenos 'stranger'.",
   "url": "https://anu.oliyonresearch.com/element/Xe/",
   "names": [
    {
     "tamil": "செனான்",
     "romanised": "ceṉāṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Samacheer Kalvi Class 9 Science (Tamil medium) Unit 12 'தனிமங்களின் வகைப்பாட்டு அட்டவணை', section 'நவீன கால தனிம வரிசை அட்டவணை' (BrainKart Tamil reproduction of textbook text) — also S3",
     "url": "https://www.brainkart.in/article/Modern-Periodic-Table_39883/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "செனான்",
     "romanised": "ceṉāṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AF%86%E0%AE%A9%E0%AE%BE%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 55,
   "symbol": "Cs",
   "english": "Caesium",
   "atomic_mass": "132.91",
   "category": "alkali",
   "category_ta": "கார உலோகங்கள்",
   "period": 6,
   "group": 1,
   "block": "s",
   "electron_configuration": "[Xe] 6s1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    18,
    8,
    1
   ],
   "state": "solid",
   "discovered": "1860",
   "etymology_ta": "இலத்தீன் caesius (வானநீலம்); இதன் நிறமாலையின் நீலக் கோடுகளால்.",
   "etymology_en": "Latin caesius 'sky-blue', for its blue spectral lines.",
   "url": "https://anu.oliyonresearch.com/element/Cs/",
   "names": [
    {
     "tamil": "சீசியம்",
     "romanised": "cīciyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 11 Chemistry Vol 1 (Tamil medium) Unit 5, 'கார உலோகங்கள்' (BrainKart) — printed with symbol Cs",
     "url": "https://www.brainkart.in/article/Alkali-metals_34724/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "சீசியம்",
     "romanised": "cīciyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AF%80%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 56,
   "symbol": "Ba",
   "english": "Barium",
   "atomic_mass": "137.33",
   "category": "alkaline",
   "category_ta": "காரமண் உலோகங்கள்",
   "period": 6,
   "group": 2,
   "block": "s",
   "electron_configuration": "[Xe] 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    18,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1772",
   "etymology_ta": "கிரேக்க barys (கனமானது); அடர்த்தியான பேரைட் கனிமத்தால்.",
   "etymology_en": "Greek barys 'heavy', for the dense mineral baryte.",
   "url": "https://anu.oliyonresearch.com/element/Ba/",
   "names": [
    {
     "tamil": "பேரியம்",
     "romanised": "pēriyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 11 Chemistry Vol 1 (Tamil medium) Unit 5, 'காரமண் உலோகங்கள்' (BrainKart)",
     "url": "https://www.brainkart.in/article/Alkaline-earth-metals_34736/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "பேரியம்",
     "romanised": "pēriyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%87%E0%AE%B0%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 57,
   "symbol": "La",
   "english": "Lanthanum",
   "atomic_mass": "138.91",
   "category": "lanthanide",
   "category_ta": "லாந்தனைடுகள்",
   "period": 6,
   "group": null,
   "block": "f",
   "electron_configuration": "[Xe] 5d1 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    18,
    9,
    2
   ],
   "state": "solid",
   "discovered": "1839",
   "etymology_ta": "கிரேக்க lanthanein (மறைந்திருத்தல்); சீரியத் தாதுவுக்குள் மறைந்திருந்ததால்.",
   "etymology_en": "Greek lanthanein 'to lie hidden': it hid inside cerium ores.",
   "url": "https://anu.oliyonresearch.com/element/La/",
   "names": [
    {
     "tamil": "லாந்தனம்",
     "romanised": "lāntaṉam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'இடைநிலை தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — also S21; inflected லாந்தனத்தை in S19 (57La)",
     "url": "https://www.brainkart.in/article/General-trend-in-properties-of-Transition-Elements_38627/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "இலந்தனம்",
     "romanised": "ilantaṉam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%B2%E0%AE%A8%E0%AF%8D%E0%AE%A4%E0%AE%A9%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "லாந்த்தனம்",
     "romanised": "lānttaṉam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 58,
   "symbol": "Ce",
   "english": "Cerium",
   "atomic_mass": "140.12",
   "category": "lanthanide",
   "category_ta": "லாந்தனைடுகள்",
   "period": 6,
   "group": null,
   "block": "f",
   "electron_configuration": "[Xe] 4f1 5d1 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    19,
    9,
    2
   ],
   "state": "solid",
   "discovered": "1803",
   "etymology_ta": "இரண்டாண்டுக்கு முன் கண்டறியப்பட்ட சீரிஸ் என்ற குறுங்கோளின் பெயரால்.",
   "etymology_en": "The dwarf planet Ceres, discovered two years earlier.",
   "url": "https://anu.oliyonresearch.com/element/Ce/",
   "names": [
    {
     "tamil": "சீரியம்",
     "romanised": "cīriyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4 'இடைநிலை மற்றும் உள் இடைநிலைத் தனிமங்கள்', 'f - தொகுதித் தனிமங்கள்' (BrainKart) — printed as 58Ce",
     "url": "https://www.brainkart.in/article/f-block-elements---Inner-transition-elements_38631/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "சீரியம்",
     "romanised": "cīriyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AF%80%E0%AE%B0%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 59,
   "symbol": "Pr",
   "english": "Praseodymium",
   "atomic_mass": "140.91",
   "category": "lanthanide",
   "category_ta": "லாந்தனைடுகள்",
   "period": 6,
   "group": null,
   "block": "f",
   "electron_configuration": "[Xe] 4f3 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    21,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1885",
   "etymology_ta": "கிரேக்க prasios didymos (பச்சை இரட்டை).",
   "etymology_en": "Greek prasios didymos 'green twin'.",
   "url": "https://anu.oliyonresearch.com/element/Pr/",
   "names": [
    {
     "tamil": "பிரசியோடைமியம்",
     "romanised": "piraciyōṭaimiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AE%BF%E0%AE%B0%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AF%8B%E0%AE%9F%E0%AF%88%E0%AE%AE%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 60,
   "symbol": "Nd",
   "english": "Neodymium",
   "atomic_mass": "144.24",
   "category": "lanthanide",
   "category_ta": "லாந்தனைடுகள்",
   "period": 6,
   "group": null,
   "block": "f",
   "electron_configuration": "[Xe] 4f4 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    22,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1885",
   "etymology_ta": "கிரேக்க neos didymos (புதிய இரட்டை).",
   "etymology_en": "Greek neos didymos 'new twin'.",
   "url": "https://anu.oliyonresearch.com/element/Nd/",
   "names": [
    {
     "tamil": "நியோடிமியம்",
     "romanised": "niyōṭimiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title (seen through a redirect)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AE%BF%E0%AE%AF%E0%AF%8B%E0%AE%9F%E0%AF%88%E0%AE%AE%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "நியோடைமியம்",
     "romanised": "niyōṭaimiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "redirect: URL path நியோடைமியம் returned the page titled நியோடிமியம்; also the list-page spelling",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AE%BF%E0%AE%AF%E0%AF%8B%E0%AE%9F%E0%AF%88%E0%AE%AE%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 61,
   "symbol": "Pm",
   "english": "Promethium",
   "atomic_mass": "[145]",
   "category": "lanthanide",
   "category_ta": "லாந்தனைடுகள்",
   "period": 6,
   "group": null,
   "block": "f",
   "electron_configuration": "[Xe] 4f5 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    23,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1945",
   "etymology_ta": "கடவுளரிடமிருந்து நெருப்பைக் கொண்டுவந்த புரோமிதியஸ் பெயரால்.",
   "etymology_en": "Prometheus, who brought fire from the gods.",
   "url": "https://anu.oliyonresearch.com/element/Pm/",
   "names": [
    {
     "tamil": "புரோமித்தியம்",
     "romanised": "purōmittiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%81%E0%AE%B0%E0%AF%8B%E0%AE%AE%E0%AE%BF%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 62,
   "symbol": "Sm",
   "english": "Samarium",
   "atomic_mass": "150.36",
   "category": "lanthanide",
   "category_ta": "லாந்தனைடுகள்",
   "period": 6,
   "group": null,
   "block": "f",
   "electron_configuration": "[Xe] 4f6 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    24,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1879",
   "etymology_ta": "சமார்ஸ்கைட் கனிமத்திலிருந்து; அது ரஷ்யச் சுரங்க அதிகாரி சமார்ஸ்கியின் பெயர் கொண்டது.",
   "etymology_en": "From the mineral samarskite, named after the Russian mining official Vasili Samarsky-Bykhovets.",
   "url": "https://anu.oliyonresearch.com/element/Sm/",
   "names": [
    {
     "tamil": "சமாரியம்",
     "romanised": "camāriyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AE%AE%E0%AE%BE%E0%AE%B0%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 63,
   "symbol": "Eu",
   "english": "Europium",
   "atomic_mass": "151.96",
   "category": "lanthanide",
   "category_ta": "லாந்தனைடுகள்",
   "period": 6,
   "group": null,
   "block": "f",
   "electron_configuration": "[Xe] 4f7 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    25,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1901",
   "etymology_ta": "ஐரோப்பா கண்டத்தின் பெயரால்.",
   "etymology_en": "Europe.",
   "url": "https://anu.oliyonresearch.com/element/Eu/",
   "names": [
    {
     "tamil": "யுரோப்பியம்",
     "romanised": "yurōppiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, book-back 'பின்வரும் வினாக்களுக்கு விடையளிக்க' (BrainKart)",
     "url": "https://www.brainkart.in/article/Transition-and-Inner-Transition-Elements--Answer-the-following-questions_38640",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "யூரோப்பியம்",
     "romanised": "yūrōppiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AF%E0%AF%82%E0%AE%B0%E0%AF%8B%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 64,
   "symbol": "Gd",
   "english": "Gadolinium",
   "atomic_mass": "157.25",
   "category": "lanthanide",
   "category_ta": "லாந்தனைடுகள்",
   "period": 6,
   "group": null,
   "block": "f",
   "electron_configuration": "[Xe] 4f7 5d1 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    25,
    9,
    2
   ],
   "state": "solid",
   "discovered": "1880",
   "etymology_ta": "பின்லாந்து வேதியியலாளர் யோகன் காடொலின் பெயரால், காடொலினைட் கனிமம் வழியாக.",
   "etymology_en": "Johan Gadolin, Finnish chemist, through the mineral gadolinite.",
   "url": "https://anu.oliyonresearch.com/element/Gd/",
   "names": [
    {
     "tamil": "கடோலினியம்",
     "romanised": "kaṭōliṉiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'லாந்தனாய்டுகளின் எலக்ட்ரான் அமைப்பு' (BrainKart; La–Lu table is an image) — with symbol Gd",
     "url": "https://www.brainkart.in/article/Electronic-configuration-of-Lanthanoids_38633/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கடோலினியம்",
     "romanised": "kaṭōliṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%9F%E0%AF%8B%E0%AE%B2%E0%AE%BF%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 65,
   "symbol": "Tb",
   "english": "Terbium",
   "atomic_mass": "158.93",
   "category": "lanthanide",
   "category_ta": "லாந்தனைடுகள்",
   "period": 6,
   "group": null,
   "block": "f",
   "electron_configuration": "[Xe] 4f9 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    27,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1843",
   "etymology_ta": "சுவீடனின் இட்டர்பி ஊர்.",
   "etymology_en": "Ytterby, Sweden.",
   "url": "https://anu.oliyonresearch.com/element/Tb/",
   "names": [
    {
     "tamil": "டெர்பியம்",
     "romanised": "ṭerpiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'லாந்தனாய்டுகளின் ஆக்சிஜனேற்ற நிலை' (BrainKart)",
     "url": "https://www.brainkart.in/article/Oxidation-state-of-lanthanoids_38634/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "தெர்பியம்",
     "romanised": "terpiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AF%86%E0%AE%B0%E0%AF%8D%E0%AE%AA%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "டெர்பியம்",
     "romanised": "ṭerpiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 66,
   "symbol": "Dy",
   "english": "Dysprosium",
   "atomic_mass": "162.50",
   "category": "lanthanide",
   "category_ta": "லாந்தனைடுகள்",
   "period": 6,
   "group": null,
   "block": "f",
   "electron_configuration": "[Xe] 4f10 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    28,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1886",
   "etymology_ta": "கிரேக்க dysprositos (எளிதில் எட்டாதது).",
   "etymology_en": "Greek dysprositos 'hard to get at'.",
   "url": "https://anu.oliyonresearch.com/element/Dy/",
   "names": [
    {
     "tamil": "டிசிப்ரோசியம்",
     "romanised": "ṭiciprōciyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9F%E0%AE%BF%E0%AE%9A%E0%AE%BF%E0%AE%AA%E0%AF%8D%E0%AE%B0%E0%AF%8B%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "டிஸ்ப்ரோசியம்",
     "romanised": "ṭisprōciyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 67,
   "symbol": "Ho",
   "english": "Holmium",
   "atomic_mass": "164.93",
   "category": "lanthanide",
   "category_ta": "லாந்தனைடுகள்",
   "period": 6,
   "group": null,
   "block": "f",
   "electron_configuration": "[Xe] 4f11 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    29,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1878",
   "etymology_ta": "இலத்தீன் Holmia (ஸ்டாக்ஹோம்).",
   "etymology_en": "Latin Holmia 'Stockholm'.",
   "url": "https://anu.oliyonresearch.com/element/Ho/",
   "names": [
    {
     "tamil": "ஓல்மியம்",
     "romanised": "ōlmiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%93%E0%AE%B2%E0%AF%8D%E0%AE%AE%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஹோல்மியம்",
     "romanised": "hōlmiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 68,
   "symbol": "Er",
   "english": "Erbium",
   "atomic_mass": "167.26",
   "category": "lanthanide",
   "category_ta": "லாந்தனைடுகள்",
   "period": 6,
   "group": null,
   "block": "f",
   "electron_configuration": "[Xe] 4f12 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    30,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1843",
   "etymology_ta": "சுவீடனின் இட்டர்பி ஊர்.",
   "etymology_en": "Ytterby, Sweden.",
   "url": "https://anu.oliyonresearch.com/element/Er/",
   "names": [
    {
     "tamil": "எர்பியம்",
     "romanised": "erpiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%8E%E0%AE%B0%E0%AF%8D%E0%AE%AA%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 69,
   "symbol": "Tm",
   "english": "Thulium",
   "atomic_mass": "168.93",
   "category": "lanthanide",
   "category_ta": "லாந்தனைடுகள்",
   "period": 6,
   "group": null,
   "block": "f",
   "electron_configuration": "[Xe] 4f13 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    31,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1879",
   "etymology_ta": "தொலை வடக்கைக் குறிக்கும் பழம்பெயர் துலே (Thule).",
   "etymology_en": "Thule, the ancient name for the far north.",
   "url": "https://anu.oliyonresearch.com/element/Tm/",
   "names": [
    {
     "tamil": "தூலியம்",
     "romanised": "tūliyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AF%82%E0%AE%B2%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 70,
   "symbol": "Yb",
   "english": "Ytterbium",
   "atomic_mass": "173.05",
   "category": "lanthanide",
   "category_ta": "லாந்தனைடுகள்",
   "period": 6,
   "group": null,
   "block": "f",
   "electron_configuration": "[Xe] 4f14 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1878",
   "etymology_ta": "சுவீடனின் இட்டர்பி ஊர்.",
   "etymology_en": "Ytterby, Sweden.",
   "url": "https://anu.oliyonresearch.com/element/Yb/",
   "names": [
    {
     "tamil": "இட்டெர்பியம்",
     "romanised": "iṭṭerpiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AF%86%E0%AE%B0%E0%AF%8D%E0%AE%AA%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 71,
   "symbol": "Lu",
   "english": "Lutetium",
   "atomic_mass": "174.97",
   "category": "lanthanide",
   "category_ta": "லாந்தனைடுகள்",
   "period": 6,
   "group": null,
   "block": "d",
   "electron_configuration": "[Xe] 4f14 5d1 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    9,
    2
   ],
   "state": "solid",
   "discovered": "1907",
   "etymology_ta": "இலத்தீன் Lutetia (பாரிஸ்).",
   "etymology_en": "Latin Lutetia 'Paris'.",
   "url": "https://anu.oliyonresearch.com/element/Lu/",
   "names": [
    {
     "tamil": "லுட்டீசியம்",
     "romanised": "luṭṭīciyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4 'இடைநிலை மற்றும் உள் இடைநிலைத் தனிமங்கள்', 'f - தொகுதித் தனிமங்கள்' (BrainKart) — printed as 71Lu",
     "url": "https://www.brainkart.in/article/f-block-elements---Inner-transition-elements_38631/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "இலூட்டீசியம்",
     "romanised": "ilūṭṭīciyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%B2%E0%AF%82%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AF%80%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "லூட்டேடியம்",
     "romanised": "lūṭṭēṭiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 72,
   "symbol": "Hf",
   "english": "Hafnium",
   "atomic_mass": "178.49",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 6,
   "group": 4,
   "block": "d",
   "electron_configuration": "[Xe] 4f14 5d2 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    10,
    2
   ],
   "state": "solid",
   "discovered": "1923",
   "etymology_ta": "இலத்தீன் Hafnia (கோபன்ஹேகன்).",
   "etymology_en": "Latin Hafnia 'Copenhagen'.",
   "url": "https://anu.oliyonresearch.com/element/Hf/",
   "names": [
    {
     "tamil": "ஆஃபினியம்",
     "romanised": "āḵpiṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%83%E0%AE%AA%E0%AE%BF%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஹாப்வினியம்",
     "romanised": "hāpviṉiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஆப்வினியம்",
     "romanised": "āpviṉiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the body of the Tamil Wikipedia article தனிம அட்டவணை வரலாறு (history of the periodic table) (the fetch tool matched it to hafnium via atomic number 72 mentioned in the text)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE_%E0%AE%85%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%B5%E0%AE%A3%E0%AF%88_%E0%AE%B5%E0%AE%B0%E0%AE%B2%E0%AE%BE%E0%AE%B1%E0%AF%81",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 73,
   "symbol": "Ta",
   "english": "Tantalum",
   "atomic_mass": "180.95",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 6,
   "group": 5,
   "block": "d",
   "electron_configuration": "[Xe] 4f14 5d3 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    11,
    2
   ],
   "state": "solid",
   "discovered": "1802",
   "etymology_ta": "கிரேக்கப் புராணத்தில் நீர் அருந்த இயலாத டாண்டலஸ்; இவ்வுலோகமும் அமிலத்தை 'அருந்துவதில்லை' (அரிப்பதில்லை).",
   "etymology_en": "Tantalus of Greek myth, who could never drink: the metal 'drinks' no acid.",
   "url": "https://anu.oliyonresearch.com/element/Ta/",
   "names": [
    {
     "tamil": "தாண்டலம்",
     "romanised": "tāṇṭalam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%BE%E0%AE%A3%E0%AF%8D%E0%AE%9F%E0%AE%B2%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "டாண்ட்டலம்",
     "romanised": "ṭāṇṭṭalam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "redirect: URL path டாண்ட்டலம் returned the page titled தாண்டலம்; also the list-page spelling",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9F%E0%AE%BE%E0%AE%A3%E0%AF%8D%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%B2%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 74,
   "symbol": "W",
   "english": "Tungsten",
   "atomic_mass": "183.84",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 6,
   "group": 6,
   "block": "d",
   "electron_configuration": "[Xe] 4f14 5d4 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    12,
    2
   ],
   "state": "solid",
   "discovered": "1783",
   "etymology_ta": "சுவீடிஷ் tung sten (கனமான கல்); W என்ற குறியீடு அதன் ஜெர்மன் பெயர் Wolfram-இலிருந்து.",
   "etymology_en": "Swedish tung sten 'heavy stone'; the symbol W is from its German name Wolfram.",
   "url": "https://anu.oliyonresearch.com/element/W/",
   "names": [
    {
     "tamil": "தங்குதன்",
     "romanised": "taṅkutaṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AF%81%E0%AE%A4%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "டங்க்ஸ்டன்",
     "romanised": "ṭaṅksṭaṉ",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 75,
   "symbol": "Re",
   "english": "Rhenium",
   "atomic_mass": "186.21",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 6,
   "group": 7,
   "block": "d",
   "electron_configuration": "[Xe] 4f14 5d5 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    13,
    2
   ],
   "state": "solid",
   "discovered": "1925",
   "etymology_ta": "இலத்தீன் Rhenus (ரைன் ஆறு).",
   "etymology_en": "Latin Rhenus 'the river Rhine'.",
   "url": "https://anu.oliyonresearch.com/element/Re/",
   "names": [
    {
     "tamil": "இரேனியம்",
     "romanised": "irēṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%B0%E0%AF%87%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ரேனியம்",
     "romanised": "rēṉiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title); the same spelling is used in தனிம அட்டவணை வரலாறு",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 76,
   "symbol": "Os",
   "english": "Osmium",
   "atomic_mass": "190.23",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 6,
   "group": 8,
   "block": "d",
   "electron_configuration": "[Xe] 4f14 5d6 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    14,
    2
   ],
   "state": "solid",
   "discovered": "1803",
   "etymology_ta": "கிரேக்க osme (மணம்); இதன் ஆக்சைடின் கார நெடியால்.",
   "etymology_en": "Greek osme 'smell', for its pungent oxide.",
   "url": "https://anu.oliyonresearch.com/element/Os/",
   "names": [
    {
     "tamil": "ஆஸ்மியம்",
     "romanised": "āsmiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'இடைநிலை தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — also S21",
     "url": "https://www.brainkart.in/article/General-trend-in-properties-of-Transition-Elements_38627/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஓசுமியம்",
     "romanised": "ōcumiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%93%E0%AE%9A%E0%AF%81%E0%AE%AE%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஆஸ்மியம்",
     "romanised": "āsmiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 77,
   "symbol": "Ir",
   "english": "Iridium",
   "atomic_mass": "192.22",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 6,
   "group": 9,
   "block": "d",
   "electron_configuration": "[Xe] 4f14 5d7 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    15,
    2
   ],
   "state": "solid",
   "discovered": "1803",
   "etymology_ta": "கிரேக்க iris (வானவில்); இதன் பல வண்ண உப்புகளால்.",
   "etymology_en": "Greek iris 'rainbow', for its colourful salts.",
   "url": "https://anu.oliyonresearch.com/element/Ir/",
   "names": [
    {
     "tamil": "இரிடியம்",
     "romanised": "iriṭiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 9 Science Lesson 12 'தனிமங்களின் வகைப்பாட்டு அட்டவணை' notes (WINMEEN study notes based on the Samacheer textbook; symbol not printed beside the name)",
     "url": "https://winmeen.com/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D-%E0%AE%B5%E0%AE%95%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AE%BE%E0%AE%9F%E0%AF%8D%E0%AE%9F-2/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "இரிடியம்",
     "romanised": "iriṭiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%B0%E0%AE%BF%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 78,
   "symbol": "Pt",
   "english": "Platinum",
   "atomic_mass": "195.08",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 6,
   "group": 10,
   "block": "d",
   "electron_configuration": "[Xe] 4f14 5d9 6s1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    17,
    1
   ],
   "state": "solid",
   "discovered": "1748",
   "etymology_ta": "ஸ்பானிஷ் platina (சிறிய வெள்ளி).",
   "etymology_en": "Spanish platina 'little silver'.",
   "url": "https://anu.oliyonresearch.com/element/Pt/",
   "names": [
    {
     "tamil": "பிளாட்டினம்",
     "romanised": "piḷāṭṭiṉam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'இடைநிலை தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — also S3, S24",
     "url": "https://www.brainkart.in/article/General-trend-in-properties-of-Transition-Elements_38627/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "பிளாட்டினம்",
     "romanised": "piḷāṭṭiṉam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AE%BF%E0%AE%B3%E0%AE%BE%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%A9%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 79,
   "symbol": "Au",
   "english": "Gold",
   "atomic_mass": "196.97",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 6,
   "group": 11,
   "block": "d",
   "electron_configuration": "[Xe] 4f14 5d10 6s1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    18,
    1
   ],
   "state": "solid",
   "discovered": "ancient",
   "etymology_ta": "பழைய ஆங்கிலம் gold; Au என்ற குறியீடு இலத்தீன் aurum (ஒளிரும் விடியல்) என்பதிலிருந்து.",
   "etymology_en": "Old English gold; the symbol Au is from Latin aurum 'shining dawn'.",
   "url": "https://anu.oliyonresearch.com/element/Au/",
   "names": [
    {
     "tamil": "தங்கம்",
     "romanised": "taṅkam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 7 Science Term 1 Unit 3 'நம்மைச் சுற்றியுள்ள பருப்பொருள்கள்', Activity 1 table of elements and symbols (BrainKart) — Activity table 'தங்கம் | Au'",
     "url": "https://www.brainkart.in/article/Elements_43203/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "தங்கம்",
     "romanised": "taṅkam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "பொன்",
     "romanised": "poṉ",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "University of Madras Tamil Lexicon (via wisdomlib.org mirror), citing Puṟanāṉūṟu 218, Piṅkala Nikaṇṭu, Tirukkuṟaḷ 931",
     "url": "https://www.wisdomlib.org/definition/pon",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "தங்கம்",
     "romanised": "taṅkam",
     "layer": "classical",
     "evidence": "attested",
     "source": "IS 19047 (பகுதி 3): 2024 — சித்த மருத்துவக் கலைச்சொற்கள் · IS 19047 (Part 3):2024 Siddha — Glossary of Terms, Part 3",
     "source_detail": "Bureau of Indian Standards IS 19047 (Part 3):2024 'Siddha - Glossary of Terms, Part 3: Standardized Terminology for Materials'; Madras Government Text-Book Committee 'List of Technical and Scientific Terms: Chemistry' (G.O. No. 137, Education, 28 Jan 1947)",
     "url": "https://services.bis.gov.in/tmp/AYD44723820_09122024_1.pdf",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "நாற்பொன்",
     "romanised": "nāṟpoṉ",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon, citing Cūṭāmaṇi Nikaṇṭu (Maṇṭalapuruṭaṉ)",
     "url": "https://www.wisdomlib.org/definition/narpon",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஆடகம்",
     "romanised": "āṭakam",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon s.v. நாற்பொன் and பொன்; IS 19047 (Part 3):2024 entry 12",
     "url": "https://www.wisdomlib.org/definition/narpon",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "கிளிச்சிறை",
     "romanised": "kiḷicciṟai",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon s.v. நாற்பொன், பொன்",
     "url": "https://www.wisdomlib.org/definition/narpon",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "சாதரூபம்",
     "romanised": "cātarūpam",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon s.v. நாற்பொன், பொன், சாதரூபி (Cūṭāmaṇi Nikaṇṭu)",
     "url": "https://www.wisdomlib.org/definition/narpon",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "சாம்பூநதம்",
     "romanised": "cāmpūnatam",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon s.v. நாற்பொன், பொன்",
     "url": "https://www.wisdomlib.org/definition/narpon",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஏமம்",
     "romanised": "ēmam",
     "layer": "classical",
     "evidence": "attested",
     "source": "IS 19047 (பகுதி 3): 2024 — சித்த மருத்துவக் கலைச்சொற்கள் · IS 19047 (Part 3):2024 Siddha — Glossary of Terms, Part 3",
     "source_detail": "IS 19047 (Part 3):2024 entry 12",
     "url": "https://services.bis.gov.in/tmp/AYD44723820_09122024_1.pdf",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஈழம்",
     "romanised": "īḻam",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon, citing Irakuvamicam",
     "url": "https://www.wisdomlib.org/definition/ilam",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "வங்காரம்",
     "romanised": "vaṅkāram",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon",
     "url": "https://www.wisdomlib.org/definition/vankaram",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "கற்புரம்",
     "romanised": "kaṟpuram",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon, citing Yāḻppāṇattu Māṉippāy Akarāti (1842)",
     "url": "https://www.wisdomlib.org/definition/karpuram",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 80,
   "symbol": "Hg",
   "english": "Mercury",
   "atomic_mass": "200.59",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 6,
   "group": 12,
   "block": "d",
   "electron_configuration": "[Xe] 4f14 5d10 6s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    18,
    2
   ],
   "state": "liquid",
   "discovered": "ancient",
   "etymology_ta": "புதன் கோள் (Mercury); Hg என்ற குறியீடு கிரேக்க hydrargyros (நீர்-வெள்ளி) என்பதிலிருந்து.",
   "etymology_en": "The planet and Roman god Mercury; the symbol Hg is from Greek hydrargyros 'water-silver'.",
   "url": "https://anu.oliyonresearch.com/element/Hg/",
   "names": [
    {
     "tamil": "பாதரசம்",
     "romanised": "pātaracam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 10 Science (older Samacheer syllabus) chapter '12. தனிமங்களின் ஆவர்த்தன வகைப்பாடு' quiz by a Vellore govt school teacher, posted via Padasalai (ProProfs) — quiz gives Hg; also S23, S3",
     "url": "https://www.proprofs.com/quiz-school/story.php?title=NjAyNDQz",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "பாதரசம்",
     "romanised": "pātaracam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AE%BE%E0%AE%A4%E0%AE%B0%E0%AE%9A%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "பாதரசம்",
     "romanised": "pātaracam",
     "layer": "classical",
     "evidence": "attested",
     "source": "வேதியியல் கலைச்சொற்கள் (சென்னை அரசு, 1947) · List of Technical and Scientific Terms: Chemistry (Government of Madras, 1947)",
     "source_detail": "1947 Madras chemistry glossary; Tamil Lexicon s.v. சுரதம்",
     "url": "https://www.tamildigitallibrary.in/admin/assets/book/TVA_BOK_0011573_List_Of_Technical_and_Scientific_Terms.pdf",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "இரசம் (உலோகம்)",
     "romanised": "iracam (ulōkam)",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Wikiwand (mirror of Tamil Wikipedia) URL path இரசம்_(உலோகம்) returned the page titled பாதரசம், i.e. a redirect title on Tamil Wikipedia",
     "url": "https://www.wikiwand.com/ta/%E0%AE%87%E0%AE%B0%E0%AE%9A%E0%AE%AE%E0%AF%8D_(%E0%AE%89%E0%AE%B2%E0%AF%8B%E0%AE%95%E0%AE%AE%E0%AF%8D)",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "இரசம்",
     "romanised": "iracam",
     "layer": "classical",
     "evidence": "attested",
     "source": "IS 19047 (பகுதி 3): 2024 — சித்த மருத்துவக் கலைச்சொற்கள் · IS 19047 (Part 3):2024 Siddha — Glossary of Terms, Part 3",
     "source_detail": "IS 19047 (Part 3):2024, entry 21",
     "url": "https://services.bis.gov.in/tmp/AYD44723820_09122024_1.pdf",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "சுரதம்",
     "romanised": "curatam",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon",
     "url": "https://www.wisdomlib.org/definition/curatam",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஆதிரசம்",
     "romanised": "ātiracam",
     "layer": "classical",
     "evidence": "attested",
     "source": "IS 19047 (பகுதி 3): 2024 — சித்த மருத்துவக் கலைச்சொற்கள் · IS 19047 (Part 3):2024 Siddha — Glossary of Terms, Part 3",
     "source_detail": "IS 19047 (Part 3) draft, Dec 2023, entry 13",
     "url": "https://www.services.bis.gov.in/tmp/WCAYD44723820_18122023_1.pdf",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 81,
   "symbol": "Tl",
   "english": "Thallium",
   "atomic_mass": "204.38",
   "category": "post",
   "category_ta": "பிந்தைய இடைநிலை உலோகங்கள்",
   "period": 6,
   "group": 13,
   "block": "p",
   "electron_configuration": "[Xe] 4f14 5d10 6s2 6p1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    18,
    3
   ],
   "state": "solid",
   "discovered": "1861",
   "etymology_ta": "கிரேக்க thallos (பசுந்தளிர்); இதன் பசுமையான நிறமாலைக் கோட்டால்.",
   "etymology_en": "Greek thallos 'green shoot', for its bright green spectral line.",
   "url": "https://anu.oliyonresearch.com/element/Tl/",
   "names": [
    {
     "tamil": "தாலியம்",
     "romanised": "tāliyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 2, 'p-தொகுதி தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart)",
     "url": "https://www.brainkart.in/article/General-trends-in-properties-of-p-block-elements_38577/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "தாலியம்",
     "romanised": "tāliyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%BE%E0%AE%B2%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 82,
   "symbol": "Pb",
   "english": "Lead",
   "atomic_mass": "207.2",
   "category": "post",
   "category_ta": "பிந்தைய இடைநிலை உலோகங்கள்",
   "period": 6,
   "group": 14,
   "block": "p",
   "electron_configuration": "[Xe] 4f14 5d10 6s2 6p2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    18,
    4
   ],
   "state": "solid",
   "discovered": "ancient",
   "etymology_ta": "பழைய ஆங்கிலம் lead; Pb என்ற குறியீடு இலத்தீன் plumbum-இலிருந்து.",
   "etymology_en": "Old English lead; the symbol Pb is from Latin plumbum.",
   "url": "https://anu.oliyonresearch.com/element/Pb/",
   "names": [
    {
     "tamil": "லெட்",
     "romanised": "leṭ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 2, 'p-தொகுதி தனிமங்களின் பண்புகளில் காணப்படும் பொதுவான போக்கு' (BrainKart) — transliteration; also Class 11 (S14) and S24",
     "url": "https://www.brainkart.in/article/General-trends-in-properties-of-p-block-elements_38577/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஈயம்",
     "romanised": "īyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%88%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "காரீயம்",
     "romanised": "kārīyam",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon (via wisdomlib), citing Patārttaguṇa Cintāmaṇi (1907) 1175 (a Maṇimēkalai citation is also attached to the entry); 1947 Madras chemistry glossary",
     "url": "https://www.wisdomlib.org/definition/kariyam",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "காரீயம்",
     "romanised": "kārīyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 7 Science Term 1 Unit 3 'நம்மைச் சுற்றியுள்ள பருப்பொருள்கள்', Activity 1 table of elements and symbols (BrainKart) — native word; also Class 12 'காரீய சிற்றறை முறை' (lead chamber process) in S28",
     "url": "https://www.brainkart.in/article/Elements_43203/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஈயம்",
     "romanised": "īyam",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon (via wisdomlib), citing Tivākaram; IS 19047 (Part 3):2024",
     "url": "https://www.wisdomlib.org/definition/iyam",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "கருவங்கம்",
     "romanised": "karuvaṅkam",
     "layer": "classical",
     "evidence": "attested",
     "source": "IS 19047 (பகுதி 3): 2024 — சித்த மருத்துவக் கலைச்சொற்கள் · IS 19047 (Part 3):2024 Siddha — Glossary of Terms, Part 3",
     "source_detail": "IS 19047 (Part 3):2024; Institut Français de Pondichéry manuscript record EAP 810 (item 369754)",
     "url": "https://services.bis.gov.in/tmp/AYD44723820_09122024_1.pdf",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "சிக்கம்",
     "romanised": "cikkam",
     "layer": "classical",
     "evidence": "attested",
     "source": "தமிழ்ப் பேரகராதி (சென்னைப் பல்கலைக்கழகம்) · Tamil Lexicon (University of Madras)",
     "source_detail": "Tamil Lexicon (sources for this entry include Cūṭāmaṇi Nikaṇṭu and Piṅkalam)",
     "url": "https://www.wisdomlib.org/definition/cikkam",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 83,
   "symbol": "Bi",
   "english": "Bismuth",
   "atomic_mass": "208.98",
   "category": "post",
   "category_ta": "பிந்தைய இடைநிலை உலோகங்கள்",
   "period": 6,
   "group": 15,
   "block": "p",
   "electron_configuration": "[Xe] 4f14 5d10 6s2 6p3",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    18,
    5
   ],
   "state": "solid",
   "discovered": "c. 1500",
   "etymology_ta": "ஜெர்மன் Wismut (மூலம் தெளிவில்லை).",
   "etymology_en": "German Wismut (origin uncertain).",
   "url": "https://anu.oliyonresearch.com/element/Bi/",
   "names": [
    {
     "tamil": "பிசுமத்",
     "romanised": "picumat",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AE%BF%E0%AE%9A%E0%AF%81%E0%AE%AE%E0%AE%A4%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "நிமிளை",
     "romanised": "nimiḷai",
     "layer": "classical",
     "evidence": "reported",
     "source": "IS 19047 (பகுதி 3): 2024 — சித்த மருத்துவக் கலைச்சொற்கள் · IS 19047 (Part 3):2024 Siddha — Glossary of Terms, Part 3",
     "source_detail": "IS 19047 (Part 3):2024; IFP manuscript record 369754",
     "url": "https://services.bis.gov.in/tmp/AYD44723820_09122024_1.pdf",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "பிஸ்மத்",
     "romanised": "pismat",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 84,
   "symbol": "Po",
   "english": "Polonium",
   "atomic_mass": "[209]",
   "category": "post",
   "category_ta": "பிந்தைய இடைநிலை உலோகங்கள்",
   "period": 6,
   "group": 16,
   "block": "p",
   "electron_configuration": "[Xe] 4f14 5d10 6s2 6p4",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    18,
    6
   ],
   "state": "solid",
   "discovered": "1898",
   "etymology_ta": "மேரி கியூரியின் தாய்நாடான போலந்தின் பெயரால்.",
   "etymology_en": "Poland, Marie Curie's homeland.",
   "url": "https://anu.oliyonresearch.com/element/Po/",
   "names": [
    {
     "tamil": "பொலோனியம்",
     "romanised": "polōṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%8A%E0%AE%B2%E0%AF%8B%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 85,
   "symbol": "At",
   "english": "Astatine",
   "atomic_mass": "[210]",
   "category": "halogen",
   "category_ta": "ஹாலஜன்கள்",
   "period": 6,
   "group": 17,
   "block": "p",
   "electron_configuration": "[Xe] 4f14 5d10 6s2 6p5",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    18,
    7
   ],
   "state": "solid",
   "discovered": "1940",
   "etymology_ta": "கிரேக்க astatos (நிலையற்றது).",
   "etymology_en": "Greek astatos 'unstable'.",
   "url": "https://anu.oliyonresearch.com/element/At/",
   "names": [
    {
     "tamil": "அசுட்டட்டைன்",
     "romanised": "acuṭṭaṭṭaiṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%85%E0%AE%9A%E0%AF%81%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AF%88%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "அஸ்ட்டேட்டைன்",
     "romanised": "asṭṭēṭṭaiṉ",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "அஸ்ட்டட்டைன்",
     "romanised": "asṭṭaṭṭaiṉ",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the properties table of the Tamil Wikipedia article ஆலசன் (halogens)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%B2%E0%AE%9A%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 86,
   "symbol": "Rn",
   "english": "Radon",
   "atomic_mass": "[222]",
   "category": "noble",
   "category_ta": "மந்த வாயுக்கள்",
   "period": 6,
   "group": 18,
   "block": "p",
   "electron_configuration": "[Xe] 4f14 5d10 6s2 6p6",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    18,
    8
   ],
   "state": "gas",
   "discovered": "1899",
   "etymology_ta": "இவ்வாயுவை வெளியிடும் ரேடியத்தின் பெயரிலிருந்து.",
   "etymology_en": "From radium, which gives off this gas.",
   "url": "https://anu.oliyonresearch.com/element/Rn/",
   "names": [
    {
     "tamil": "ரேடான்",
     "romanised": "rēṭāṉ",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Samacheer Kalvi Class 9 Science (Tamil medium) Unit 12 'தனிமங்களின் வகைப்பாட்டு அட்டவணை', section 'நவீன கால தனிம வரிசை அட்டவணை' (BrainKart Tamil reproduction of textbook text) — also S3",
     "url": "https://www.brainkart.in/article/Modern-Periodic-Table_39883/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "இரேடான்",
     "romanised": "irēṭāṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%B0%E0%AF%87%E0%AE%9F%E0%AE%BE%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ரேடான்",
     "romanised": "rēṭāṉ",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 87,
   "symbol": "Fr",
   "english": "Francium",
   "atomic_mass": "[223]",
   "category": "alkali",
   "category_ta": "கார உலோகங்கள்",
   "period": 7,
   "group": 1,
   "block": "s",
   "electron_configuration": "[Rn] 7s1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    18,
    8,
    1
   ],
   "state": "solid",
   "discovered": "1939",
   "etymology_ta": "பிரான்சு நாட்டின் பெயரால்.",
   "etymology_en": "France.",
   "url": "https://anu.oliyonresearch.com/element/Fr/",
   "names": [
    {
     "tamil": "ஃப்ரான்ஷியம்",
     "romanised": "ḵprāṉṣiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 11 Chemistry Vol 1 (Tamil medium) Unit 5, 'கார உலோகங்கள்' (BrainKart) — Class 11 spelling",
     "url": "https://www.brainkart.in/article/Alkali-metals_34724/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "பிரான்சியம்",
     "romanised": "pirāṉciyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AE%BF%E0%AE%B0%E0%AE%BE%E0%AE%A9%E0%AF%8D%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D_(%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%AE%E0%AF%8D)",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "பிரான்சியம்",
     "romanised": "pirāṉciyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 9 Science Lesson 12 'தனிமங்களின் வகைப்பாட்டு அட்டவணை' notes (WINMEEN study notes based on the Samacheer textbook; symbol not printed beside the name) — Class 9 notes spelling",
     "url": "https://winmeen.com/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D-%E0%AE%B5%E0%AE%95%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AE%BE%E0%AE%9F%E0%AF%8D%E0%AE%9F-2/",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 88,
   "symbol": "Ra",
   "english": "Radium",
   "atomic_mass": "[226]",
   "category": "alkaline",
   "category_ta": "காரமண் உலோகங்கள்",
   "period": 7,
   "group": 2,
   "block": "s",
   "electron_configuration": "[Rn] 7s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    18,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1898",
   "etymology_ta": "இலத்தீன் radius (கதிர்).",
   "etymology_en": "Latin radius 'ray'.",
   "url": "https://anu.oliyonresearch.com/element/Ra/",
   "names": [
    {
     "tamil": "ரேடியம்",
     "romanised": "rēṭiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 11 Chemistry Vol 1 (Tamil medium) Unit 5, 'காரமண் உலோகங்கள்' (BrainKart) — also S3",
     "url": "https://www.brainkart.in/article/Alkaline-earth-metals_34736/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ரேடியம்",
     "romanised": "rēṭiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%B0%E0%AF%87%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 89,
   "symbol": "Ac",
   "english": "Actinium",
   "atomic_mass": "[227]",
   "category": "actinide",
   "category_ta": "ஆக்டினைடுகள்",
   "period": 7,
   "group": null,
   "block": "f",
   "electron_configuration": "[Rn] 6d1 7s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    18,
    9,
    2
   ],
   "state": "solid",
   "discovered": "1899",
   "etymology_ta": "கிரேக்க aktis (கதிர்).",
   "etymology_en": "Greek aktis 'ray'.",
   "url": "https://anu.oliyonresearch.com/element/Ac/",
   "names": [
    {
     "tamil": "ஆக்டினியம்",
     "romanised": "ākṭiṉiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, book-back 'பின்வரும் வினாக்களுக்கு விடையளிக்க' (BrainKart)",
     "url": "https://www.brainkart.in/article/Transition-and-Inner-Transition-Elements--Answer-the-following-questions_38640",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஆக்டினியம்",
     "romanised": "ākṭiṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%95%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஆக்டீனியம்",
     "romanised": "ākṭīṉiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4 'இடைநிலை மற்றும் உள் இடைநிலைத் தனிமங்கள்', 'f - தொகுதித் தனிமங்கள்' (BrainKart) — seen inflected 'ஆக்டீனியத்தைத்' next to 89Ac",
     "url": "https://www.brainkart.in/article/f-block-elements---Inner-transition-elements_38631/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "ஆக்டினம்",
     "romanised": "ākṭiṉam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Samacheer Kalvi Class 9 Science (Tamil medium) Unit 12 'தனிமங்களின் வகைப்பாட்டு அட்டவணை', section 'நவீன கால தனிம வரிசை அட்டவணை' (BrainKart Tamil reproduction of textbook text) — seen inflected 'ஆக்டினத்தை' (Class 9)",
     "url": "https://www.brainkart.in/article/Modern-Periodic-Table_39883/",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 90,
   "symbol": "Th",
   "english": "Thorium",
   "atomic_mass": "232.04",
   "category": "actinide",
   "category_ta": "ஆக்டினைடுகள்",
   "period": 7,
   "group": null,
   "block": "f",
   "electron_configuration": "[Rn] 6d2 7s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    18,
    10,
    2
   ],
   "state": "solid",
   "discovered": "1829",
   "etymology_ta": "நோர்டிய இடிக் கடவுள் தோர் பெயரால்.",
   "etymology_en": "Thor, the Norse god of thunder.",
   "url": "https://anu.oliyonresearch.com/element/Th/",
   "names": [
    {
     "tamil": "தோரியம்",
     "romanised": "tōriyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4 'இடைநிலை மற்றும் உள் இடைநிலைத் தனிமங்கள்', 'f - தொகுதித் தனிமங்கள்' (BrainKart) — printed as 90Th",
     "url": "https://www.brainkart.in/article/f-block-elements---Inner-transition-elements_38631/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "தோரியம்",
     "romanised": "tōriyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AF%8B%E0%AE%B0%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 91,
   "symbol": "Pa",
   "english": "Protactinium",
   "atomic_mass": "231.04",
   "category": "actinide",
   "category_ta": "ஆக்டினைடுகள்",
   "period": 7,
   "group": null,
   "block": "f",
   "electron_configuration": "[Rn] 5f2 6d1 7s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    20,
    9,
    2
   ],
   "state": "solid",
   "discovered": "1913",
   "etymology_ta": "'ஆக்டினியத்துக்கு முன்' — இது சிதைந்து ஆக்டினியம் ஆகிறது.",
   "etymology_en": "'Before actinium': it decays into actinium.",
   "url": "https://anu.oliyonresearch.com/element/Pa/",
   "names": [
    {
     "tamil": "புரோடாக்டினியம்",
     "romanised": "purōṭākṭiṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%81%E0%AE%B0%E0%AF%8B%E0%AE%9F%E0%AE%BE%E0%AE%95%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "புரோட்டாக்டினியம்",
     "romanised": "purōṭṭākṭiṉiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 92,
   "symbol": "U",
   "english": "Uranium",
   "atomic_mass": "238.03",
   "category": "actinide",
   "category_ta": "ஆக்டினைடுகள்",
   "period": 7,
   "group": null,
   "block": "f",
   "electron_configuration": "[Rn] 5f3 6d1 7s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    21,
    9,
    2
   ],
   "state": "solid",
   "discovered": "1789",
   "etymology_ta": "எட்டாண்டுக்கு முன் கண்டறியப்பட்ட யுரேனஸ் கோளின் பெயரால்.",
   "etymology_en": "The planet Uranus, discovered eight years earlier.",
   "url": "https://anu.oliyonresearch.com/element/U/",
   "names": [
    {
     "tamil": "யுரேனியம்",
     "romanised": "yurēṉiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, book-back 'பின்வரும் வினாக்களுக்கு விடையளிக்க' (BrainKart) — also inflected யுரேனியத்தின் in S15",
     "url": "https://www.brainkart.in/article/Transition-and-Inner-Transition-Elements--Answer-the-following-questions_38640",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "யுரேனியம்",
     "romanised": "yurēṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AF%E0%AF%81%E0%AE%B0%E0%AF%87%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "யூரேனியம்",
     "romanised": "yūrēṉiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'ஆக்டினாய்டுகள்' (BrainKart; tables are images) — long ூ spelling",
     "url": "https://www.brainkart.in/article/Actinoids_38636/",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 93,
   "symbol": "Np",
   "english": "Neptunium",
   "atomic_mass": "[237]",
   "category": "actinide",
   "category_ta": "ஆக்டினைடுகள்",
   "period": 7,
   "group": null,
   "block": "f",
   "electron_configuration": "[Rn] 5f4 6d1 7s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    22,
    9,
    2
   ],
   "state": "solid",
   "discovered": "1940",
   "etymology_ta": "யுரேனசுக்கு அடுத்த கோளான நெப்டியூனின் பெயரால்.",
   "etymology_en": "The planet Neptune, next after Uranus.",
   "url": "https://anu.oliyonresearch.com/element/Np/",
   "names": [
    {
     "tamil": "நெப்ட்யூனியம்",
     "romanised": "nepṭyūṉiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, book-back 'பின்வரும் வினாக்களுக்கு விடையளிக்க' (BrainKart) — also S31",
     "url": "https://www.brainkart.in/article/Transition-and-Inner-Transition-Elements--Answer-the-following-questions_38640",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "நெப்டியூனியம்",
     "romanised": "nepṭiyūṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AF%86%E0%AE%AA%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AF%82%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "நெப்டூனியம்",
     "romanised": "nepṭūṉiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 94,
   "symbol": "Pu",
   "english": "Plutonium",
   "atomic_mass": "[244]",
   "category": "actinide",
   "category_ta": "ஆக்டினைடுகள்",
   "period": 7,
   "group": null,
   "block": "f",
   "electron_configuration": "[Rn] 5f6 7s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    24,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1940",
   "etymology_ta": "நெப்டியூனுக்கு அடுத்த புளூட்டோவின் பெயரால்.",
   "etymology_en": "Pluto, next after Neptune.",
   "url": "https://anu.oliyonresearch.com/element/Pu/",
   "names": [
    {
     "tamil": "புளுட்டோனியம்",
     "romanised": "puḷuṭṭōṉiyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'ஆக்டினாய்டுகள்' (BrainKart; tables are images)",
     "url": "https://www.brainkart.in/article/Actinoids_38636/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "புளுட்டோனியம்",
     "romanised": "puḷuṭṭōṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%81%E0%AE%B3%E0%AF%81%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AF%8B%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "புளூட்டோனியம்",
     "romanised": "puḷūṭṭōṉiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 95,
   "symbol": "Am",
   "english": "Americium",
   "atomic_mass": "[243]",
   "category": "actinide",
   "category_ta": "ஆக்டினைடுகள்",
   "period": 7,
   "group": null,
   "block": "f",
   "electron_configuration": "[Rn] 5f7 7s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    25,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1944",
   "etymology_ta": "அமெரிக்கக் கண்டங்களின் பெயரால் (யூரோப்பியம் ஐரோப்பாவின் பெயர் கொண்டது போல).",
   "etymology_en": "The Americas (as europium is named for Europe).",
   "url": "https://anu.oliyonresearch.com/element/Am/",
   "names": [
    {
     "tamil": "அமெரிசீயம்",
     "romanised": "americīyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'ஆக்டினாய்டுகள்' (BrainKart; tables are images) — with symbol Am",
     "url": "https://www.brainkart.in/article/Actinoids_38636/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "அமெரிசியம்",
     "romanised": "americiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%85%E0%AE%AE%E0%AF%86%E0%AE%B0%E0%AE%BF%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "அமெரிக்கம்",
     "romanised": "amerikkam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the body of the Tamil Wikipedia article தனிம அட்டவணை வரலாறு (history of the periodic table)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE_%E0%AE%85%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%B5%E0%AE%A3%E0%AF%88_%E0%AE%B5%E0%AE%B0%E0%AE%B2%E0%AE%BE%E0%AE%B1%E0%AF%81",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 96,
   "symbol": "Cm",
   "english": "Curium",
   "atomic_mass": "[247]",
   "category": "actinide",
   "category_ta": "ஆக்டினைடுகள்",
   "period": 7,
   "group": null,
   "block": "f",
   "electron_configuration": "[Rn] 5f7 6d1 7s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    25,
    9,
    2
   ],
   "state": "solid",
   "discovered": "1944",
   "etymology_ta": "மேரி, பியர் கியூரி இணையரின் நினைவாக.",
   "etymology_en": "Marie and Pierre Curie.",
   "url": "https://anu.oliyonresearch.com/element/Cm/",
   "names": [
    {
     "tamil": "கியூரியம்",
     "romanised": "kiyūriyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%BF%E0%AE%AF%E0%AF%82%E0%AE%B0%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "கியுரியம்",
     "romanised": "kiyuriyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the body of the Tamil Wikipedia article தனிம அட்டவணை வரலாறு (history of the periodic table)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE_%E0%AE%85%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%B5%E0%AE%A3%E0%AF%88_%E0%AE%B5%E0%AE%B0%E0%AE%B2%E0%AE%BE%E0%AE%B1%E0%AF%81",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 97,
   "symbol": "Bk",
   "english": "Berkelium",
   "atomic_mass": "[247]",
   "category": "actinide",
   "category_ta": "ஆக்டினைடுகள்",
   "period": 7,
   "group": null,
   "block": "f",
   "electron_configuration": "[Rn] 5f9 7s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    27,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1949",
   "etymology_ta": "இது உருவாக்கப்பட்ட கலிபோர்னியாவின் பெர்க்லி நகரின் பெயரால்.",
   "etymology_en": "Berkeley, California, where it was made.",
   "url": "https://anu.oliyonresearch.com/element/Bk/",
   "names": [
    {
     "tamil": "பெர்க்கிலியம்",
     "romanised": "perkkiliyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%86%E0%AE%B0%E0%AF%8D%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%BF%E0%AE%B2%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 98,
   "symbol": "Cf",
   "english": "Californium",
   "atomic_mass": "[251]",
   "category": "actinide",
   "category_ta": "ஆக்டினைடுகள்",
   "period": 7,
   "group": null,
   "block": "f",
   "electron_configuration": "[Rn] 5f10 7s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    28,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1950",
   "etymology_ta": "கலிபோர்னியா மாநிலம், பல்கலைக்கழகத்தின் பெயரால்.",
   "etymology_en": "The state and university of California.",
   "url": "https://anu.oliyonresearch.com/element/Cf/",
   "names": [
    {
     "tamil": "கலிபோர்னியம்",
     "romanised": "kalipōrṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%B2%E0%AE%BF%E0%AE%AA%E0%AF%8B%E0%AE%B0%E0%AF%8D%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 99,
   "symbol": "Es",
   "english": "Einsteinium",
   "atomic_mass": "[252]",
   "category": "actinide",
   "category_ta": "ஆக்டினைடுகள்",
   "period": 7,
   "group": null,
   "block": "f",
   "electron_configuration": "[Rn] 5f11 7s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    29,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1952",
   "etymology_ta": "ஆல்பர்ட் ஐன்ஸ்டைன் நினைவாக.",
   "etymology_en": "Albert Einstein.",
   "url": "https://anu.oliyonresearch.com/element/Es/",
   "names": [
    {
     "tamil": "ஐன்சுடைனியம்",
     "romanised": "aiṉcuṭaiṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%90%E0%AE%A9%E0%AF%8D%E0%AE%9A%E0%AF%81%E0%AE%9F%E0%AF%88%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஐன்ஸ்டினியம்",
     "romanised": "aiṉsṭiṉiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 100,
   "symbol": "Fm",
   "english": "Fermium",
   "atomic_mass": "[257]",
   "category": "actinide",
   "category_ta": "ஆக்டினைடுகள்",
   "period": 7,
   "group": null,
   "block": "f",
   "electron_configuration": "[Rn] 5f12 7s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    30,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1952",
   "etymology_ta": "முதல் அணு உலையை அமைத்த என்ரிகோ ஃபெர்மி நினைவாக.",
   "etymology_en": "Enrico Fermi, builder of the first nuclear reactor.",
   "url": "https://anu.oliyonresearch.com/element/Fm/",
   "names": [
    {
     "tamil": "பெர்மியம்",
     "romanised": "permiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%86%E0%AE%B0%E0%AF%8D%E0%AE%AE%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஃவெர்மியம்",
     "romanised": "ḵvermiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 101,
   "symbol": "Md",
   "english": "Mendelevium",
   "atomic_mass": "[258]",
   "category": "actinide",
   "category_ta": "ஆக்டினைடுகள்",
   "period": 7,
   "group": null,
   "block": "f",
   "electron_configuration": "[Rn] 5f13 7s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    31,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1955",
   "etymology_ta": "1869-இல் தனிம அட்டவணையை வகுத்த திமித்ரி மெண்டலீவ் நினைவாக.",
   "etymology_en": "Dmitri Mendeleev, who drew up the periodic table in 1869.",
   "url": "https://anu.oliyonresearch.com/element/Md/",
   "names": [
    {
     "tamil": "மெண்டலீவியம்",
     "romanised": "meṇṭalīviyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AE%E0%AF%86%E0%AE%A3%E0%AF%8D%E0%AE%9F%E0%AE%B2%E0%AF%80%E0%AE%B5%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 102,
   "symbol": "No",
   "english": "Nobelium",
   "atomic_mass": "[259]",
   "category": "actinide",
   "category_ta": "ஆக்டினைடுகள்",
   "period": 7,
   "group": null,
   "block": "f",
   "electron_configuration": "[Rn] 5f14 7s2",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    8,
    2
   ],
   "state": "solid",
   "discovered": "1966",
   "etymology_ta": "நோபல் பரிசுகளை நிறுவிய ஆல்ஃபிரட் நோபல் நினைவாக.",
   "etymology_en": "Alfred Nobel, founder of the Nobel Prizes.",
   "url": "https://anu.oliyonresearch.com/element/No/",
   "names": [
    {
     "tamil": "நொபிலியம்",
     "romanised": "nopiliyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AF%8A%E0%AE%AA%E0%AE%BF%E0%AE%B2%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "னொபிலியம்",
     "romanised": "ṉopiliyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title) (as transcribed; the leading ன looks like a source or transcription error)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 103,
   "symbol": "Lr",
   "english": "Lawrencium",
   "atomic_mass": "[266]",
   "category": "actinide",
   "category_ta": "ஆக்டினைடுகள்",
   "period": 7,
   "group": null,
   "block": "d",
   "electron_configuration": "[Rn] 5f14 7s2 7p1",
   "configuration_predicted": false,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    8,
    3
   ],
   "state": "solid",
   "discovered": "1961",
   "etymology_ta": "சைக்ளோட்ரானைக் கண்டுபிடித்த எர்னஸ்ட் லாரன்ஸ் நினைவாக.",
   "etymology_en": "Ernest Lawrence, inventor of the cyclotron.",
   "url": "https://anu.oliyonresearch.com/element/Lr/",
   "names": [
    {
     "tamil": "லாரன்சீயம்",
     "romanised": "lāraṉcīyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4, 'ஆக்டினாய்டுகள்' (BrainKart; tables are images) — page prints '105Lr' (sic; Lr is Z=103)",
     "url": "https://www.brainkart.in/article/Actinoids_38636/",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "இலாரென்சியம்",
     "romanised": "ilāreṉciyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%B2%E0%AE%BE%E0%AE%B0%E0%AF%86%E0%AE%A9%E0%AF%8D%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "லாரன்சியம்",
     "romanised": "lāraṉciyam",
     "layer": "tn",
     "evidence": "attested",
     "source": "தமிழ்நாட்டுப் பாடநூல்கள் (சமச்சீர் கல்வி, தமிழ் வழி) · Tamil Nadu State Board textbooks (Samacheer Kalvi, Tamil medium)",
     "source_detail": "TN Class 12 Chemistry Vol 1 (Tamil medium) Unit 4 'இடைநிலை மற்றும் உள் இடைநிலைத் தனிமங்கள்', 'f - தொகுதித் தனிமங்கள்' (BrainKart) — page prints '105Lr' (sic; Lr is Z=103)",
     "url": "https://www.brainkart.in/article/f-block-elements---Inner-transition-elements_38631/",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "லாரன்சியம்",
     "romanised": "lāraṉciyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 104,
   "symbol": "Rf",
   "english": "Rutherfordium",
   "atomic_mass": "[267]",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 7,
   "group": 4,
   "block": "d",
   "electron_configuration": "[Rn] 5f14 6d2 7s2",
   "configuration_predicted": true,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    10,
    2
   ],
   "state": "solid",
   "discovered": "1964–1969",
   "etymology_ta": "அணுக்கருவைக் கண்டறிந்த எர்னஸ்ட் ரதர்ஃபோர்டு நினைவாக.",
   "etymology_en": "Ernest Rutherford, who found the atomic nucleus.",
   "url": "https://anu.oliyonresearch.com/element/Rf/",
   "names": [
    {
     "tamil": "இரதர்ஃபோர்டியம்",
     "romanised": "iratarḵpōrṭiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%B0%E0%AE%A4%E0%AE%B0%E0%AF%8D%E0%AE%83%E0%AE%AA%E0%AF%8B%E0%AE%B0%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ரதர்ஃவோர்டியம்",
     "romanised": "ratarḵvōrṭiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 105,
   "symbol": "Db",
   "english": "Dubnium",
   "atomic_mass": "[268]",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 7,
   "group": 5,
   "block": "d",
   "electron_configuration": "[Rn] 5f14 6d3 7s2",
   "configuration_predicted": true,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    11,
    2
   ],
   "state": "solid",
   "discovered": "1968–1970",
   "etymology_ta": "அணு ஆய்வுக் கூட்டு நிறுவனம் உள்ள ரஷ்ய நகர் டுப்னா.",
   "etymology_en": "Dubna, the Russian town of the Joint Institute for Nuclear Research.",
   "url": "https://anu.oliyonresearch.com/element/Db/",
   "names": [
    {
     "tamil": "தூப்னியம்",
     "romanised": "tūpṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AF%82%E0%AE%AA%E0%AF%8D%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "டூப்னியம்",
     "romanised": "ṭūpṉiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 106,
   "symbol": "Sg",
   "english": "Seaborgium",
   "atomic_mass": "[269]",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 7,
   "group": 6,
   "block": "d",
   "electron_configuration": "[Rn] 5f14 6d4 7s2",
   "configuration_predicted": true,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    12,
    2
   ],
   "state": "solid",
   "discovered": "1974",
   "etymology_ta": "பத்துத் தனிமங்களைக் கண்டறிந்தவர்களில் ஒருவரான கிளென் சீபோர்க் நினைவாக.",
   "etymology_en": "Glenn Seaborg, co-discoverer of ten elements.",
   "url": "https://anu.oliyonresearch.com/element/Sg/",
   "names": [
    {
     "tamil": "சீபோர்கியம்",
     "romanised": "cīpōrkiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AF%80%E0%AE%AA%E0%AF%8B%E0%AE%B0%E0%AF%8D%E0%AE%95%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    }
   ]
  },
  {
   "atomic_number": 107,
   "symbol": "Bh",
   "english": "Bohrium",
   "atomic_mass": "[270]",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 7,
   "group": 7,
   "block": "d",
   "electron_configuration": "[Rn] 5f14 6d5 7s2",
   "configuration_predicted": true,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    13,
    2
   ],
   "state": "solid",
   "discovered": "1981",
   "etymology_ta": "அணுவின் எலக்ட்ரான் கூடுகளை விளக்கிய நீல்ஸ் போர் நினைவாக.",
   "etymology_en": "Niels Bohr, who modelled the atom's electron shells.",
   "url": "https://anu.oliyonresearch.com/element/Bh/",
   "names": [
    {
     "tamil": "போரியம்",
     "romanised": "pōriyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%8B%E0%AE%B0%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "போஃறியம்",
     "romanised": "pōḵṟiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 108,
   "symbol": "Hs",
   "english": "Hassium",
   "atomic_mass": "[269]",
   "category": "transition",
   "category_ta": "இடைநிலை உலோகங்கள்",
   "period": 7,
   "group": 8,
   "block": "d",
   "electron_configuration": "[Rn] 5f14 6d6 7s2",
   "configuration_predicted": true,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    14,
    2
   ],
   "state": "solid",
   "discovered": "1984",
   "etymology_ta": "இது உருவாக்கப்பட்ட ஜெர்மன் மாநிலம் ஹெஸ்ஸே (இலத்தீன் Hassia).",
   "etymology_en": "Latin Hassia 'Hesse', the German state where it was made.",
   "url": "https://anu.oliyonresearch.com/element/Hs/",
   "names": [
    {
     "tamil": "ஆசியம்",
     "romanised": "āciyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ஹாஸ்சியம்",
     "romanised": "hāsciyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 109,
   "symbol": "Mt",
   "english": "Meitnerium",
   "atomic_mass": "[278]",
   "category": "unknown",
   "category_ta": "பண்பு அறியப்படாதவை",
   "period": 7,
   "group": 9,
   "block": "d",
   "electron_configuration": "[Rn] 5f14 6d7 7s2",
   "configuration_predicted": true,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    15,
    2
   ],
   "state": "unknown",
   "discovered": "1982",
   "etymology_ta": "அணுக்கருப் பிளவை விளக்கிய லீசே மைட்னர் நினைவாக.",
   "etymology_en": "Lise Meitner, who explained nuclear fission.",
   "url": "https://anu.oliyonresearch.com/element/Mt/",
   "names": [
    {
     "tamil": "மெய்ட்னீரியம்",
     "romanised": "meyṭṉīriyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AE%E0%AF%86%E0%AE%AF%E0%AF%8D%E0%AE%9F%E0%AF%8D%E0%AE%A9%E0%AF%80%E0%AE%B0%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "மைட்னேரியம்",
     "romanised": "maiṭṉēriyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 110,
   "symbol": "Ds",
   "english": "Darmstadtium",
   "atomic_mass": "[281]",
   "category": "unknown",
   "category_ta": "பண்பு அறியப்படாதவை",
   "period": 7,
   "group": 10,
   "block": "d",
   "electron_configuration": "[Rn] 5f14 6d8 7s2",
   "configuration_predicted": true,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    16,
    2
   ],
   "state": "unknown",
   "discovered": "1994",
   "etymology_ta": "ஜெர்மனியின் டார்ம்ஸ்டாட் நகர்.",
   "etymology_en": "Darmstadt, Germany.",
   "url": "https://anu.oliyonresearch.com/element/Ds/",
   "names": [
    {
     "tamil": "டார்ம்சிட்டாட்டியம்",
     "romanised": "ṭārmciṭṭāṭṭiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%9F%E0%AE%BE%E0%AE%B0%E0%AF%8D%E0%AE%AE%E0%AF%8D%E0%AE%9A%E0%AE%BF%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BE%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "டார்ம்ஸ்டாட்டியம்",
     "romanised": "ṭārmsṭāṭṭiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 111,
   "symbol": "Rg",
   "english": "Roentgenium",
   "atomic_mass": "[282]",
   "category": "unknown",
   "category_ta": "பண்பு அறியப்படாதவை",
   "period": 7,
   "group": 11,
   "block": "d",
   "electron_configuration": "[Rn] 5f14 6d9 7s2",
   "configuration_predicted": true,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    17,
    2
   ],
   "state": "unknown",
   "discovered": "1994",
   "etymology_ta": "X-கதிர்களைக் கண்டறிந்த வில்ஹெல்ம் ரான்ட்ஜன் நினைவாக.",
   "etymology_en": "Wilhelm Röntgen, discoverer of X-rays.",
   "url": "https://anu.oliyonresearch.com/element/Rg/",
   "names": [
    {
     "tamil": "இரோயன்ட்கெனியம்",
     "romanised": "irōyaṉṭkeṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%B0%E0%AF%8B%E0%AE%AF%E0%AE%A9%E0%AF%8D%E0%AE%9F%E0%AF%8D%E0%AE%95%E0%AF%86%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "ரோண்ட்டஜெனியம்",
     "romanised": "rōṇṭṭajeṉiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "spelling used in the element table of the Tamil Wikipedia list page தனிமங்களின் எண் பட்டியல் (transcribed by the fetch tool; differs from the current article title)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 112,
   "symbol": "Cn",
   "english": "Copernicium",
   "atomic_mass": "[285]",
   "category": "unknown",
   "category_ta": "பண்பு அறியப்படாதவை",
   "period": 7,
   "group": 12,
   "block": "d",
   "electron_configuration": "[Rn] 5f14 6d10 7s2",
   "configuration_predicted": true,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    18,
    2
   ],
   "state": "unknown",
   "discovered": "1996",
   "etymology_ta": "கதிரவனை நடுவில் வைத்த நிக்கோலஸ் கோப்பர்நிக்கஸ் நினைவாக.",
   "etymology_en": "Nicolaus Copernicus, who placed the Sun at the centre.",
   "url": "https://anu.oliyonresearch.com/element/Cn/",
   "names": [
    {
     "tamil": "கோப்பர்நீசியம்",
     "romanised": "kōpparnīciyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AF%8B%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AE%B0%E0%AF%8D%E0%AE%A8%E0%AF%80%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "உனுன்பியம்",
     "romanised": "uṉuṉpiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "old IUPAC systematic (placeholder) name, listed with symbol Uub in the list page தனிமங்களின் எண் பட்டியல் (that page predates the official name)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 113,
   "symbol": "Nh",
   "english": "Nihonium",
   "atomic_mass": "[286]",
   "category": "unknown",
   "category_ta": "பண்பு அறியப்படாதவை",
   "period": 7,
   "group": 13,
   "block": "p",
   "electron_configuration": "[Rn] 5f14 6d10 7s2 7p1",
   "configuration_predicted": true,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    18,
    3
   ],
   "state": "unknown",
   "discovered": "2004",
   "etymology_ta": "ஜப்பானிய மொழியில் Nihon (ஜப்பான்); ஆசியாவில் பெயரிடப்பட்ட முதல் தனிமம்.",
   "etymology_en": "Nihon, 'Japan' in Japanese: the first element named in Asia.",
   "url": "https://anu.oliyonresearch.com/element/Nh/",
   "names": [
    {
     "tamil": "நிகோனியம்",
     "romanised": "nikōṉiyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AE%BF%E0%AE%95%E0%AF%8B%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "உனுன்றியம்",
     "romanised": "uṉuṉṟiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "old IUPAC systematic (placeholder) name, listed with symbol Uut in the list page தனிமங்களின் எண் பட்டியல் (that page predates the official name)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 114,
   "symbol": "Fl",
   "english": "Flerovium",
   "atomic_mass": "[289]",
   "category": "unknown",
   "category_ta": "பண்பு அறியப்படாதவை",
   "period": 7,
   "group": 14,
   "block": "p",
   "electron_configuration": "[Rn] 5f14 6d10 7s2 7p2",
   "configuration_predicted": true,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    18,
    4
   ],
   "state": "unknown",
   "discovered": "1999",
   "etymology_ta": "ஜார்ஜி ஃபிளெரோவ் பெயர் கொண்ட ஆய்வகத்தின் பெயரால்.",
   "etymology_en": "The Flerov Laboratory, named after Georgy Flerov.",
   "url": "https://anu.oliyonresearch.com/element/Fl/",
   "names": [
    {
     "tamil": "பிளெரோவியம்",
     "romanised": "piḷerōviyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AE%BF%E0%AE%B3%E0%AF%86%E0%AE%B0%E0%AF%8B%E0%AE%B5%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "உனுன்குவாடியம்",
     "romanised": "uṉuṉkuvāṭiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "old IUPAC systematic (placeholder) name, listed with symbol Uuq in the list page தனிமங்களின் எண் பட்டியல் (that page predates the official name)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 115,
   "symbol": "Mc",
   "english": "Moscovium",
   "atomic_mass": "[290]",
   "category": "unknown",
   "category_ta": "பண்பு அறியப்படாதவை",
   "period": 7,
   "group": 15,
   "block": "p",
   "electron_configuration": "[Rn] 5f14 6d10 7s2 7p3",
   "configuration_predicted": true,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    18,
    5
   ],
   "state": "unknown",
   "discovered": "2003",
   "etymology_ta": "மாஸ்கோ பகுதியின் பெயரால்.",
   "etymology_en": "The Moscow region.",
   "url": "https://anu.oliyonresearch.com/element/Mc/",
   "names": [
    {
     "tamil": "மாசுக்கோவியம்",
     "romanised": "mācukkōviyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%AE%E0%AE%BE%E0%AE%9A%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%8B%E0%AE%B5%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "உனுன்பெண்ட்டியம்",
     "romanised": "uṉuṉpeṇṭṭiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "old IUPAC systematic (placeholder) name, listed with symbol Uup in the list page தனிமங்களின் எண் பட்டியல் (that page predates the official name)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 116,
   "symbol": "Lv",
   "english": "Livermorium",
   "atomic_mass": "[293]",
   "category": "unknown",
   "category_ta": "பண்பு அறியப்படாதவை",
   "period": 7,
   "group": 16,
   "block": "p",
   "electron_configuration": "[Rn] 5f14 6d10 7s2 7p4",
   "configuration_predicted": true,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    18,
    6
   ],
   "state": "unknown",
   "discovered": "2000",
   "etymology_ta": "கலிபோர்னியாவின் லாரன்ஸ் லிவர்மோர் தேசிய ஆய்வகத்தின் பெயரால்.",
   "etymology_en": "Lawrence Livermore National Laboratory, California.",
   "url": "https://anu.oliyonresearch.com/element/Lv/",
   "names": [
    {
     "tamil": "லிவர்மோரியம்",
     "romanised": "livarmōriyam",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%B2%E0%AE%BF%E0%AE%B5%E0%AE%B0%E0%AF%8D%E0%AE%AE%E0%AF%8B%E0%AE%B0%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "உனுன்ஹெக்ஸியம்",
     "romanised": "uṉuṉheksiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "old IUPAC systematic (placeholder) name, listed with symbol Uuh in the list page தனிமங்களின் எண் பட்டியல் (that page predates the official name)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 117,
   "symbol": "Ts",
   "english": "Tennessine",
   "atomic_mass": "[294]",
   "category": "unknown",
   "category_ta": "பண்பு அறியப்படாதவை",
   "period": 7,
   "group": 17,
   "block": "p",
   "electron_configuration": "[Rn] 5f14 6d10 7s2 7p5",
   "configuration_predicted": true,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    18,
    7
   ],
   "state": "unknown",
   "discovered": "2010",
   "etymology_ta": "ஓக் ரிட்ஜ் ஆய்வகம் உள்ள அமெரிக்காவின் டென்னசி மாநிலம்.",
   "etymology_en": "Tennessee, USA, home of Oak Ridge laboratory.",
   "url": "https://anu.oliyonresearch.com/element/Ts/",
   "names": [
    {
     "tamil": "தென்னிசீன்",
     "romanised": "teṉṉicīṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AF%86%E0%AE%A9%E0%AF%8D%E0%AE%A9%E0%AE%BF%E0%AE%9A%E0%AF%80%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "உனுன்செப்டியம்",
     "romanised": "uṉuṉcepṭiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "old IUPAC systematic (placeholder) name, listed with symbol Uus in the list page தனிமங்களின் எண் பட்டியல் (that page predates the official name)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "அனன்செப்டியம்",
     "romanised": "aṉaṉcepṭiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "old systematic name used for element 117 in the Tamil Wikipedia article ஆலசன் (halogens)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%B2%E0%AE%9A%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  },
  {
   "atomic_number": 118,
   "symbol": "Og",
   "english": "Oganesson",
   "atomic_mass": "[294]",
   "category": "unknown",
   "category_ta": "பண்பு அறியப்படாதவை",
   "period": 7,
   "group": 18,
   "block": "p",
   "electron_configuration": "[Rn] 5f14 6d10 7s2 7p6",
   "configuration_predicted": true,
   "shells": [
    2,
    8,
    18,
    32,
    32,
    18,
    8
   ],
   "state": "unknown",
   "discovered": "2002",
   "etymology_ta": "யூரி ஓகனேசியன் நினைவாக; பெயரிடப்பட்டபோது (2016) அவர் உயிருடன் இருந்தார்.",
   "etymology_en": "Yuri Oganessian, still living when it was named (2016).",
   "url": "https://anu.oliyonresearch.com/element/Og/",
   "names": [
    {
     "tamil": "ஒகனிசோன்",
     "romanised": "okaṉicōṉ",
     "layer": "wiki",
     "evidence": "attested",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "Article title",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%92%E0%AE%95%E0%AE%A9%E0%AE%BF%E0%AE%9A%E0%AF%8B%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": true
    },
    {
     "tamil": "உனுனாக்டியம்",
     "romanised": "uṉuṉākṭiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "old IUPAC systematic (placeholder) name, listed with symbol Uuo in the list page தனிமங்களின் எண் பட்டியல் (that page predates the official name)",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D_%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D",
     "coined_by": null,
     "primary": false
    },
    {
     "tamil": "அனனாக்டியம்",
     "romanised": "aṉaṉākṭiyam",
     "layer": "wiki",
     "evidence": "reported",
     "source": "தமிழ் விக்கிப்பீடியா · Tamil Wikipedia",
     "source_detail": "old systematic name shown for element 118 in the periodic-table box of the Tamil Wikipedia article ஆலசன்",
     "url": "https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%B2%E0%AE%9A%E0%AE%A9%E0%AF%8D",
     "coined_by": null,
     "primary": false
    }
   ]
  }
 ]
}