radon

chemical element with symbol Rn and atomic number 86; rare gas
Thing chemical_element Q1133
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radon

Summary

radon is a chemical element[1]. radon draws 147 Wikipedia views per month (chemical_element category, ranking #38 of 144).[2]

Key Facts

  • radon is credited with the discovery of Friedrich Ernst Dorn[3].
  • radon is credited with the discovery of Ernest Rutherford[4].
  • radon is credited with the discovery of Robert Bowie Owens[5].
  • radon's instance of is recorded as chemical element[6].
  • radon's instance of is recorded as gas[7].
  • radium is named after radon[8].
  • radon's canonical SMILES is recorded as [Rn][9].
  • radon's element symbol is recorded as Rn[10].
  • radon's chemical formula is recorded as Rn[11].
  • radon is a type of noble gases[12].
  • radon is a type of p-block[13].
  • radon is part of period 6[14].
  • radon is part of noble gases[15].
  • radon's Commons category is recorded as Radon[16].
  • radon's Unicode character is recorded as 氡[17].
  • radon's crystal system is recorded as face-centered cubic[18].
  • radon's time of discovery or invention is recorded as 1899[19].
  • radon's IPA transcription is recorded as ˈreɪdɒn[20].
  • radon's topic's main category is recorded as Category:Radon[21].
  • radon's Commons gallery is recorded as Radon[22].
  • radon's atomic number is recorded as {'amount': '+86'}[23].
  • radon's electronegativity is recorded as {'amount': '+2.2'}[24].
  • radon's oxidation state is recorded as {'amount': '+0'}[25].
  • radon's oxidation state is recorded as {'amount': '+2'}[26].
  • radon's oxidation state is recorded as {'amount': '+6'}[27].

Body

Definition and Type

Recorded instance of include chemical element[6] and gas[7]. Recorded subclass of include noble gases[12] and p-block[13].

Origins

radium is named after radon[8].

Use and Application

Part of include period 6[14], a period[28] and noble gases[15], a group[29].

Why It Matters

radon draws 147 Wikipedia views per month (chemical_element category, ranking #38 of 144).[2] radon has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[30] radon is known by 40 alternative names across languages and contexts.[31]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [6] ↑ . wikidata.org.
  2. [7] ↑ . wikidata.org.
  3. [3] ↑ . periodic-table.rsc.org. periodic-table.rsc.org. Provenance: wikidata.org.
  4. [4] ↑ . Nature Chemistry. wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . PubChem. Retrieved . wikidata.org.
  8. [10] ↑ . Atomic weights of the elements 2009 (IUPAC Technical Report). wikidata.org.
  9. [11] ↑ . PubChem. Retrieved . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . cns11643.gov.tw. Retrieved . cns11643.gov.tw. Provenance: wikidata.org.
  16. [18] ↑ . Retrieved . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [28] ↑ . Wikidata. wikidata.org. → on this site
  2. [29] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [30] ↑ . Wikidata sitelinks. wikidata.org.
  3. [31] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). radon. Retrieved October 4, 2026, from https://4ort.xyz/entity/radon
MLA “radon.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Oct. 2026, https://4ort.xyz/entity/radon.
BibTeX @misc{4ortxyz_radon_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{radon}}, year = {2026}, url = {https://4ort.xyz/entity/radon}, note = {Accessed: 2026-10-04}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): radon — https://4ort.xyz/entity/radon (retrieved 2026-10-04)

Canonical URL: https://4ort.xyz/entity/radon · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 1d ago · R1F4T · 2026-10-03 view diff on Wikidata ↗
    Wikipedia languages → ['af', 'am', 'an', 'anp', 'ar', 'ary', 'arz', 'ast', 'az', 'ba', 'ban', 'bcl', '
    P14937 → {'unit': 'Q192274', 'amount': '+150'}
    Claims rich → —
    "/* wbsetclaim-create:2||1 */ [[Property:P14937]]: 150 picometre, Add sourced P14937 element radius"
  2. 15d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Oxidation state → {'amount': '+0'}, {'amount': '+2'}, {'amount': '+6'}
    Mass → {'unit': 'Q483261', 'amount': '+222.0175782'}
    "/* wbsetclaim-create:2||1 */ [[Property:P2067]]: 222.0175782±0.0000025 dalton, add the mass of the longest-lived isotope (AME via NIST)"
  3. 15d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Oxidation state → {'amount': '+0'}, {'amount': '+2'}, {'amount': '+6'}
    "/* wbsetclaim-create:2||1 */ [[Property:P1121]]: 0, add oxidation state from en:Template:Infobox element/symbol-to-oxidation-state"
  4. 15d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Ipa transcription → ˈreɪdɒn
    "/* wbsetclaim-create:2||1 */ [[Property:P898]]: ˈreɪdɒn, add IPA transcription (from en:Template:Infobox element/symbol-to-pronunciation)"
  5. 15d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Pronunciation audio → LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-rad
    "/* wbsetclaim-create:2||1 */ [[Property:P443]]: LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-radon.wav, add English pronunciation audio (Lingua Libre, from en:Template:Infobox element/symb"
  6. 16d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Subclass of → noble gases, p-block
    "/* wbsetclaim-create:2||1 */ [[Property:P279]]: [[Q214483]], add periodic table block (IUPAC 2021 convention)"
  7. 16d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Has characteristic → radioactivity, colorlessness, odorlessness +1
    Ionization energy → {'unit': 'Q83327', 'amount': '+10.7485'}, {'unit': 'Q83327', 'amount': '+18.99'}
    "/* wbeditentity-statements-single-property-add:1||2 */ [[Property:P2260]], import ionization energy from NIST Atomic Spectra Database"
  8. 29d ago · Baum64 · 2026-09-05 view diff on Wikidata ↗
    Standard molar entropy → {'unit': 'Q20966455', 'amount': '+176.23'}
    "/* wbcreateclaim-create:1| */ [[Property:P3071]]: 176.23 joule per mole kelvin, [[:toollabs:quickstatements/#/batch/270882|batch #270882]]"
  9. 5w ago · Baum64 · 2026-08-29 view diff on Wikidata ↗
    Subclass of → noble gases, p-block
    "/* wbcreateclaim-create:1| */ [[Property:P279]]: [[Q19609]], [[:toollabs:quickstatements/#/batch/269656|batch #269656]]"
  10. 5w ago · Mahirtwofivesix · 2026-08-26 view diff on Wikidata ↗
    Babelnet id → 00006918n
    "/* wbsetclaim-create:1||1 */ [[Property:P2581]]: 00006918n, added/modified IDs mapped to WordNet 3.1"
  11. 7w ago · Baum64 · 2026-08-16 view diff on Wikidata ↗
    Melting point → {'unit': 'Q11579', 'amount': '+202.0'}
    Crystal system → face-centered cubic
    Thermal conductivity → {'unit': 'Q1463969', 'amount': '+0.00364'}
    Boiling point → {'unit': 'Q11579', 'amount': '+211.3'}
    "/* wbcreateclaim-create:1| */ [[Property:P2101]]: 202.0 kelvin, [[:toollabs:quickstatements/#/batch/269026|batch #269026]]"
  12. 8w ago · Piotr Osada · 2026-08-07 view diff on Wikidata ↗
    National library of poland mms id → 9810617849305606
    "/* wbsetclaim-create:2||1 */ [[Property:P7293]]: 9810617849305606"
  13. 12w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → AKtAE, 2Xzic
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  14. 16w ago · MariuszRokin · 2026-06-13 view diff on Wikidata ↗
    Interlingual index id → i113993
    Arabic ontology lexical concept id → 151078522
    Svkkl authority id → h0003764-radon
    "/* wbcreateclaim-create:1| */ [[Property:P9322]]: h0003764-radon, [[:toollabs:quickstatements/#/batch/259649|batch #259649]]"
  15. 16w ago · Mahir256 · 2026-06-09 view diff on Wikidata ↗
    Wordnet 3.1 synset id → 14676283-n
    "/* wbsetclaim-create:2||1 */ [[Property:P8814]]: 14676283-n"
  16. 19w ago · Les Meloures · 2026-05-18 view diff on Wikidata ↗
    Locator map image → —
    "/* wbremoveclaims-remove:1| */ [[Property:P242]]: USradonmapforhouses.jpg"
  17. 20w ago · Twofivesixbot bot · 2026-05-17 view diff on Wikidata ↗
    Hrvatska enciklopedija id → radon
    "/* wbsetclaim-update-qualifiers:1||1|4 */ [[Property:P2347]]: 6953, mv to monolingual text names on YSO statements"
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