europium

chemical element with symbol Eu and atomic number 63
Thing chemical_element Q1396
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europium

Summary

europium is a chemical element[1]. europium draws 386 Wikipedia views per month (chemical_element category, ranking #103 of 144).[2]

Key Facts

  • europium is credited with the discovery of Eugène-Anatole Demarçay[3].
  • europium's instance of is recorded as chemical element[4].
  • Europe is named after europium[5].
  • europium's canonical SMILES is recorded as [Eu][6].
  • europium's element symbol is recorded as Eu[7].
  • europium's chemical formula is recorded as Eu[8].
  • europium is a type of lanthanide[9].
  • europium is a type of f-block[10].
  • europium is part of lanthanide[11].
  • europium is part of period 6[12].
  • europium is used for dopant[13].
  • europium's Commons category is recorded as Europium[14].
  • europium's Unicode character is recorded as 銪[15].
  • europium's crystal system is recorded as body-centered cubic[16].
  • europium's time of discovery or invention is recorded as January 1, 1901[17].
  • europium's point group is recorded as cubic-hexoctahedral[18].
  • europium's space group is recorded as space group Im-3m[19].
  • europium's IPA transcription is recorded as jʊˈroʊpiəm[20].
  • europium's topic's main category is recorded as Category:Europium[21].
  • europium's Commons gallery is recorded as Europium[22].
  • europium's atomic number is recorded as {'amount': '+63'}[23].
  • europium's electronegativity is recorded as {'amount': '+1.2'}[24].
  • europium's oxidation state is recorded as {'amount': '+0'}[25].
  • europium's oxidation state is recorded as {'amount': '+2'}[26].
  • europium's oxidation state is recorded as {'amount': '+3'}[27].

Body

Definition and Type

europium's instance of is recorded as chemical element[4]. Recorded subclass of include lanthanide[9] and f-block[10].

Origins

Europe is named after europium[5].

Use and Application

europium is used for dopant[13]. Part of include lanthanide[11] and period 6[12], a period[28].

Why It Matters

europium draws 386 Wikipedia views per month (chemical_element category, ranking #103 of 144).[2] europium has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[29] europium is known by 59 alternative names across languages and contexts.[30]

References

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

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [3] ↑ . Nature's Building Blocks An A-Z Guide of the Elements New Edition. wikidata.org.
  3. [5] ↑ . Nature's Building Blocks An A-Z Guide of the Elements New Edition. wikidata.org.
  4. [6] ↑ . PubChem. Retrieved . wikidata.org.
  5. [7] ↑ . Atomic weights of the elements 2009 (IUPAC Technical Report). wikidata.org.
  6. [8] ↑ . PubChem. Retrieved . 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] ↑ . cns11643.gov.tw. Retrieved . cns11643.gov.tw. Provenance: wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . Nature's Building Blocks An A-Z Guide of the Elements New Edition. wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . periodic table. 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

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [29] ↑ . Wikidata sitelinks. wikidata.org.
  3. [30] ↑ . 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). europium. Retrieved October 8, 2026, from https://4ort.xyz/entity/europium
MLA “europium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Oct. 2026, https://4ort.xyz/entity/europium.
BibTeX @misc{4ortxyz_europium_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{europium}}, year = {2026}, url = {https://4ort.xyz/entity/europium}, note = {Accessed: 2026-10-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): europium — https://4ort.xyz/entity/europium (retrieved 2026-10-08)

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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. 5d ago · R1F4T · 2026-10-03 view diff on Wikidata ↗
    P14936 → {'unit': 'Q192274', 'amount': '+185'}
    Wikipedia languages → ['af', 'am', 'anp', 'ar', 'ary', 'arz', 'ast', 'az', 'ba', 'ban', 'be', 'be_x_ol
    P14937 → {'unit': 'Q192274', 'amount': '+198'}
    Claims rich → —
    "/* wbsetclaim-create:2||1 */ [[Property:P14936]]: 185 picometre, Add sourced P14936 element radius"
  2. 12d ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗
    Zvg number → 7630
    "/* wbsetclaimvalue:1| */ [[Property:P679]]: 7630, см. / see [[Template:Autofix|autofix]] на / on [[Property talk:P679]]"
  3. 15d ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    Oxidation state → {'amount': '+0'}, {'amount': '+2'}, {'amount': '+3'}
    Zvg number → 7630
    "/* wbcreateclaim-create:1| */ [[Property:P679]]: 007630, [[:toollabs:quickstatements/#/batch/275042|batch #275042]]"
  4. 19d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Oxidation state → {'amount': '+0'}, {'amount': '+2'}, {'amount': '+3'}
    "/* wbsetclaim-create:2||1 */ [[Property:P1121]]: 0, add oxidation state from en:Template:Infobox element/symbol-to-oxidation-state"
  5. 19d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Ipa transcription → jʊˈroʊpiəm
    "/* wbsetclaim-create:2||1 */ [[Property:P898]]: jʊˈroʊpiəm, add IPA transcription (from en:Template:Infobox element/symbol-to-pronunciation)"
  6. 19d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Pronunciation audio → LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-eur
    "/* wbsetclaim-create:2||1 */ [[Property:P443]]: LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-europium.wav, add English pronunciation audio (Lingua Libre, from en:Template:Infobox element/s"
  7. 19d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Electron configuration → [Xe] 6s² 4f⁷
    "/* wbsetclaim-create:2||1 */ [[Property:P8000]]: [Xe] 6s² 4f⁷, add electron configuration from NIST ASD ground levels"
  8. 20d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Subclass of → lanthanide, f-block
    "/* wbsetclaim-create:2||1 */ [[Property:P279]]: [[Q214680]], add periodic table block (IUPAC 2021 convention)"
  9. 20d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Ionization energy → {'unit': 'Q83327', 'amount': '+5.670385'}
    "/* wbsetclaim-create:1||1 */ [[Property:P2260]]: 5.670385±0.000005 electronvolt, import ionization energy from NIST Atomic Spectra Database"
  10. 4w ago · Baum64 · 2026-09-05 view diff on Wikidata ↗
    Has characteristic → paramagnetism
    Point group → cubic-hexoctahedral
    Linear thermal expansion coefficient → {'unit': 'Q56025776', 'amount': '+26.3'}
    "/* wbcreateclaim-create:1| */ [[Property:P589]]: [[Q13359931]], [[:toollabs:quickstatements/#/batch/270882|batch #270882]]"
  11. 5w ago · Baum64 · 2026-08-29 view diff on Wikidata ↗
    Subclass of → lanthanide, f-block
    "/* wbcreateclaim-create:1| */ [[Property:P279]]: [[Q19569]], [[:toollabs:quickstatements/#/batch/269656|batch #269656]]"
  12. 6w ago · Mahirtwofivesix · 2026-08-26 view diff on Wikidata ↗
    Babelnet id → 00006894n
    Arabic ontology lexical concept id → 151078460
    "/* wbeditentity-statements-multiple-properties-update:0||4 */ added/modified IDs mapped to WordNet 3.1"
  13. 7w ago · KrBot bot · 2026-08-17 view diff on Wikidata ↗
    Electrical conductivity → {'unit': 'Q80842107', 'amount': '+1110000.0'}
    Melting point → {'unit': 'Q11579', 'amount': '+1095.0'}
    Crystal system → body-centered cubic
    Thermal conductivity → {'unit': 'Q1463969', 'amount': '+14.0'}
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbsetreference-set:2| */ [[Property:P2102]]: 1,713.0 kelvin"
  14. 12w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → WiTyt
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  15. 20w ago · Ponor · 2026-05-16 view diff on Wikidata ↗
    Discoverer or inventor → Eugène-Anatole Demarçay
    Topic's main category → Category:Europium
    Aliases → —
    Named after → Europe
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/31836|batch #31836]]: Hrvatska enciklopedija"
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