fermium

chemical element with symbol Fm and atomic number 100
Thing chemical_element Q1896
fermium
Ben E. Lewis. · Public Domain · Wikimedia
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fermium

Summary

fermium is a chemical element[1]. fermium draws 3,110 Wikipedia views per month (chemical_element category, ranking #104 of 144).[2]

Key Facts

  • fermium is credited with the discovery of Glenn T. Seaborg[3].
  • fermium's instance of is recorded as chemical element[4].
  • fermium's instance of is recorded as synthetic element[5].
  • Enrico Fermi is named after fermium[6].
  • fermium's canonical SMILES is recorded as [Fm][7].
  • fermium's element symbol is recorded as Fm[8].
  • fermium's chemical formula is recorded as Fm[9].
  • fermium is a type of actinide[10].
  • fermium is a type of f-block[11].
  • fermium is part of period 7[12].
  • fermium is part of actinide[13].
  • fermium's Commons category is recorded as Fermium[14].
  • fermium's Unicode character is recorded as 鐨[15].
  • fermium's crystal system is recorded as face-centered cubic[16].
  • fermium's time of discovery or invention is recorded as December 1, 1952[17].
  • fermium's IPA transcription is recorded as ˈfɜːrmiəm[18].
  • fermium's topic's main category is recorded as Category:Fermium[19].
  • fermium's Commons gallery is recorded as Fermium[20].
  • fermium's atomic number is recorded as {'amount': '+100'}[21].
  • fermium's electronegativity is recorded as {'amount': '+1.3'}[22].
  • fermium's oxidation state is recorded as {'amount': '+2'}[23].
  • fermium's oxidation state is recorded as {'amount': '+3'}[24].
  • fermium's described by source is recorded as Armenian Soviet Encyclopedia[25].
  • fermium's mass is recorded as {'amount': '+257.095'}[26].
  • fermium's melting point is recorded as {'amount': '+1125.0'}[27].

Body

Definition and Type

Recorded instance of include chemical element[4] and synthetic element[5]. Recorded subclass of include actinide[10] and f-block[11].

Origins

Enrico Fermi is named after fermium[6].

Use and Application

Part of include period 7[12], a period[28] and actinide[13], a chemical series[29].

Why It Matters

fermium draws 3,110 Wikipedia views per month (chemical_element category, ranking #104 of 144).[2] fermium has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[30] fermium 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. [4] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . 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). fermium. Retrieved October 1, 2026, from https://4ort.xyz/entity/fermium
MLA “fermium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Oct. 2026, https://4ort.xyz/entity/fermium.
BibTeX @misc{4ortxyz_fermium_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{fermium}}, year = {2026}, url = {https://4ort.xyz/entity/fermium}, note = {Accessed: 2026-10-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): fermium — https://4ort.xyz/entity/fermium (retrieved 2026-10-01)

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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. 15d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Oxidation state → {'amount': '+2'}, {'amount': '+3'}
    "/* wbsetclaim-create:2||1 */ [[Property:P1121]]: 2, add oxidation state from en:Template:Infobox element/symbol-to-oxidation-state"
  2. 15d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Ipa transcription → ˈfɜːrmiəm
    "/* wbsetclaim-create:2||1 */ [[Property:P898]]: ˈfɜːrmiəm, add IPA transcription (from en:Template:Infobox element/symbol-to-pronunciation)"
  3. 15d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Pronunciation audio → LL-Q150 (fra)-Guilhelma-fermium.wav, LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-fer
    "/* wbsetclaim-create:2||1 */ [[Property:P443]]: LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-fermium.wav, add English pronunciation audio (Lingua Libre, from en:Template:Infobox element/sy"
  4. 15d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Electron configuration → [Rn] 7s² 5f¹²
    "/* wbsetclaim-create:2||1 */ [[Property:P8000]]: [Rn] 7s² 5f¹², add electron configuration from NIST ASD ground levels"
  5. 16d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Subclass of → actinide, f-block
    "/* wbsetclaim-create:2||1 */ [[Property:P279]]: [[Q214680]], add periodic table block (IUPAC 2021 convention)"
  6. 5w ago · Mahirtwofivesix · 2026-08-26 view diff on Wikidata ↗
    Babelnet id → 00006825n
    Interlingual index id → i113932
    Arabic ontology lexical concept id → 151078461
    "/* wbeditentity-statements-multiple-properties-update:0||4 */ added/modified IDs mapped to WordNet 3.1"
  7. 7w ago · Baum64 · 2026-08-16 view diff on Wikidata ↗
    Crystal system → face-centered cubic
    Melting point → {'amount': '+1125.0'}
    "/* wbcreateclaim-create:1| */ [[Property:P2101]]: 1,125.0 kelvin, [[:toollabs:quickstatements/#/batch/269026|batch #269026]]"
  8. 12w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 1zMzE2
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  9. 19w ago · Twofivesixbot bot · 2026-05-23 view diff on Wikidata ↗
    Topic's main category → Category:Fermium
    Local thumb → —
    Hrvatska enciklopedija id → fermij
    Subclass of → —
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|1 */ [[Property:P8189]]: 987007595423505171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.