radium

chemical element with symbol Ra and atomic number 88
Thing chemical_element Q1128
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radium

Summary

radium is a chemical element[1]. radium has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • radium is credited with the discovery of Marie Curie[3].
  • radium is credited with the discovery of Pierre Curie[4].
  • radium's instance of is recorded as chemical element[5].
  • radioactivity is named after radium[6].
  • radium's canonical SMILES is recorded as [Ra][7].
  • radium's element symbol is recorded as Ra[8].
  • radium's chemical formula is recorded as Ra[9].
  • radium is part of period 7[10].
  • radium is part of alkaline earth metal[11].
  • radium's Commons category is recorded as Radium[12].
  • radium's Unicode character is recorded as 鐳[13].
  • radium's time of discovery or invention is recorded as 1898[14].
  • radium's topic's main category is recorded as Category:Radium[15].
  • radium's Commons gallery is recorded as Radium[16].
  • radium's atomic number is recorded as {'amount': '+88'}[17].
  • radium's electronegativity is recorded as {'amount': '+0.9'}[18].
  • radium's oxidation state is recorded as {'amount': '+2'}[19].
  • radium's described by source is recorded as Armenian Soviet Encyclopedia[20].
  • radium's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[21].
  • radium's described by source is recorded as Small Brockhaus and Efron Encyclopedic Dictionary[22].
  • radium's described by source is recorded as Encyclopædia Britannica 11th edition[23].
  • radium's described by source is recorded as Granat Encyclopedic Dictionary[24].
  • radium's different from is recorded as Rad[25].
  • radium's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[26].

Body

Definition and Type

radium's instance of is recorded as chemical element[5].

Origins

radioactivity is named after radium[6].

Use and Application

Part of include period 7[10], a period[27] and alkaline earth metal[11], a group[28].

Influence

Things named for radium include radon[29], a chemical element[30]; Radium Hot Springs[31], a village[32], in Canada[33]; and Radium Girls[34], a group of women[35], in United States[36].

Why It Matters

radium has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[2] radium is known by 23 alternative names across languages and contexts.[37]

Entities named for radium include radon[29], a chemical element[30]; Radium Hot Springs[31], a village[32], in Canada[33]; and Radium Girls[34], a group of women[35], in United States[36].

References

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

Direct Wikidata claims

  1. [5] . wikidata.org.
  2. [3] . wikidata.org.
  3. [4] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . PubChem. Retrieved . wikidata.org.
  6. [8] . Atomic weights of the elements 2009 (IUPAC Technical Report). wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . cns11643.gov.tw. Retrieved . cns11643.gov.tw. Provenance: wikidata.org.
  12. [14] . rsc.org. rsc.org. Provenance: wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . 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.

Inverse relationships (entities pointing at this one)

  1. [29] . wikidata.org. → on this site
  2. [31] . wikidata.org. → on this site
  3. [34] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [27] . Wikidata. wikidata.org. → on this site
  2. [28] . Wikidata. wikidata.org. → on this site
  3. [30] . Wikidata. wikidata.org. → on this site
  4. [32] . Wikidata. wikidata.org. → on this site
  5. [33] . Wikidata. wikidata.org. → on this site
  6. [35] . Wikidata. wikidata.org. → on this site
  7. [36] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.
  2. [37] . 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). radium. Retrieved May 3, 2026, from https://4ort.xyz/entity/radium
MLA “radium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/radium.
BibTeX @misc{4ortxyz_radium_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{radium}}, year = {2026}, url = {https://4ort.xyz/entity/radium}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): radium — https://4ort.xyz/entity/radium (retrieved 2026-05-03)

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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. 2d ago · KrBot bot · 2026-08-17 view diff on Wikidata ↗
    Electrical conductivity +1000000.0
    Electrical resistivity +0.000001
    Thermal conductivity +19.0
    "/* wbsetreference-set:2| */ [[Property:P690]]: [[Q15041897]]"
  2. 3d ago · Baum64 · 2026-08-16 view diff on Wikidata ↗
    Melting point +973.0
    Crystal system Q851536
    Space group Q15041897
    Boiling point +2010.0
    + 2 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P9824]]: 1509139, [[:toollabs:quickstatements/#/batch/269026|batch #269026]]"
  3. 5w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 14TRzp
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  4. 9w ago · Susmuffin · 2026-06-15 view diff on Wikidata ↗
    Harper's tag radium
    "/* wbsetclaim-create:1||1 */ [[Property:P13772]]: radium, Matched to [[:toollabs:mix-n-match/#/entry/289953344|radium (#289953344)]] in [[:toollabs:mix-n-match/#/catalog/7915|Harper's tag]] #mix'n'mat"
  5. 13w ago · Twofivesixbot bot · 2026-05-17 view diff on Wikidata ↗
    Hrvatska enciklopedija id radij
    "/* wbsetclaim-update-qualifiers:1||1|4 */ [[Property:P2347]]: 19781, mv to monolingual text names on YSO statements"
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