californium

chemical element with symbol Cf and atomic number 98
Thing chemical_element Q1888
californium
United States Department of Energy (see File:Einsteinium.jpg) · Public Domain · Wikimedia
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californium

Summary

californium is a chemical element[1]. californium draws 9,419 Wikipedia views per month (chemical_element category, ranking #81 of 144).[2]

Key Facts

  • californium is credited with the discovery of Stanley Gerald Thompson[3].
  • californium is credited with the discovery of Kenneth Street Jr.[4].
  • californium is credited with the discovery of Albert Ghiorso[5].
  • californium is credited with the discovery of Glenn T. Seaborg[6].
  • californium's instance of is recorded as chemical element[7].
  • californium's instance of is recorded as synthetic element[8].
  • California is named after californium[9].
  • californium's location of discovery is recorded as University of California, Berkeley[10].
  • californium's canonical SMILES is recorded as [Cf][11].
  • californium's element symbol is recorded as Cf[12].
  • californium's chemical formula is recorded as Cf[13].
  • californium is a type of actinide[14].
  • californium is a type of heavy metal[15].
  • californium is a type of f-block[16].
  • californium is part of period 7[17].
  • californium is part of actinide[18].
  • californium's Commons category is recorded as Californium[19].
  • californium's Unicode character is recorded as 鉲[20].
  • californium's crystal system is recorded as hexagonal crystal system[21].
  • californium's time of discovery or invention is recorded as January 1, 1950[22].
  • californium's IPA transcription is recorded as ˌkæləˈfɔːrniəm[23].
  • californium's topic's main category is recorded as Category:Californium[24].
  • californium's atomic number is recorded as {'amount': '+98'}[25].
  • californium's electronegativity is recorded as {'amount': '+1.3'}[26].
  • californium's oxidation state is recorded as {'amount': '+2'}[27].

Body

Definition and Type

Recorded instance of include chemical element[7] and synthetic element[8]. Recorded subclass of include actinide[14], heavy metal[15], and f-block[16].

Origins

California is named after californium[9].

Use and Application

Part of include period 7[17], a period[28] and actinide[18], a chemical series[29].

Why It Matters

californium draws 9,419 Wikipedia views per month (chemical_element category, ranking #81 of 144).[2] californium has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[30] californium is known by 43 alternative names across languages and contexts.[31]

References

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

Direct Wikidata claims

  1. [7] . wikidata.org.
  2. [8] . wikidata.org.
  3. [3] . wikidata.org.
  4. [4] . wikidata.org.
  5. [5] . wikidata.org.
  6. [6] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . 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.
  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). californium. Retrieved May 3, 2026, from https://4ort.xyz/entity/californium
MLA “californium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/californium.
BibTeX @misc{4ortxyz_californium_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{californium}}, year = {2026}, url = {https://4ort.xyz/entity/californium}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): californium — https://4ort.xyz/entity/californium (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/californium · 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 · 2026-09-19 view diff on Wikidata ↗
    Oxidation state {'amount': '+2'}, {'amount': '+3'}, {'amount': '+4'} +1
    Mass {'amount': '+251.0795886'}
    "/* wbsetclaim-create:2||1 */ [[Property:P2067]]: 251.0795886±0.0000048 dalton, add the mass of the longest-lived isotope (AME via NIST)"
  2. 1d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Oxidation state {'amount': '+2'}, {'amount': '+3'}, {'amount': '+4'} +1
    "/* wbsetclaim-create:2||1 */ [[Property:P1121]]: 2, add oxidation state from en:Template:Infobox element/symbol-to-oxidation-state"
  3. 1d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Ipa transcription ˌkæləˈfɔːrniəm
    "/* wbsetclaim-create:2||1 */ [[Property:P898]]: ˌkæləˈfɔːrniəm, add IPA transcription (from en:Template:Infobox element/symbol-to-pronunciation)"
  4. 1d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Pronunciation audio LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-cal
    "/* wbsetclaim-create:2||1 */ [[Property:P443]]: LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-californium.wav, add English pronunciation audio (Lingua Libre, from en:Template:Infobox elemen"
  5. 2d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Subclass of actinide, heavy metal, f-block
    "/* wbsetclaim-create:2||1 */ [[Property:P279]]: [[Q214680]], add periodic table block (IUPAC 2021 convention)"
  6. 2d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Ionization energy {'amount': '+6.281878'}
    Subclass of actinide, heavy metal, f-block
    "/* wbsetclaim-create:1||1 */ [[Property:P2260]]: 6.281878±0.000006 electronvolt, import ionization energy from NIST Atomic Spectra Database"
  7. 22d ago · Baum64 · 2026-08-29 view diff on Wikidata ↗
    Subclass of actinide, heavy metal, f-block
    "/* wbcreateclaim-create:1| */ [[Property:P279]]: [[Q19577]], [[:toollabs:quickstatements/#/batch/269656|batch #269656]]"
  8. 24d ago · Mahirtwofivesix · 2026-08-26 view diff on Wikidata ↗
    Interlingual index id i113912
    Arabic ontology lexical concept id 151078441
    "/* wbeditentity-statements-multiple-properties-update:0||3 */ added/modified IDs mapped to WordNet 3.1"
  9. 5w ago · Baum64 · 2026-08-16 view diff on Wikidata ↗
    Crystal system hexagonal crystal system
    Boiling point {'amount': '+1743.0'}
    "/* wbcreateclaim-create:1| */ [[Property:P556]]: [[Q663314]], [[:toollabs:quickstatements/#/batch/269026|batch #269026]]"
  10. 10w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 OrbyC
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  11. 17w ago · Twofivesixbot bot · 2026-05-23 view diff on Wikidata ↗
    Local thumb
    Hrvatska enciklopedija id kalifornij
    "/* wbsetclaim-update-qualifiers:1||1|3 */ [[Property:P8189]]: 987007553750405171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.