ruthenium

chemical element with symbol Ru and atomic number 44
Thing chemical_element Q1086
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ruthenium

Summary

ruthenium is a chemical element[1]. ruthenium draws 395 Wikipedia views per month (chemical_element category, ranking #78 of 144).[2]

Key Facts

  • ruthenium is credited with the discovery of Karl Ernst Claus[3].
  • ruthenium's instance of is recorded as chemical element[4].
  • Ruthenia is named after ruthenium[5].
  • ruthenium's location of discovery is recorded as Q56007908[6].
  • ruthenium's canonical SMILES is recorded as [Ru][7].
  • ruthenium's element symbol is recorded as Ru[8].
  • ruthenium's chemical formula is recorded as Ru[9].
  • ruthenium is a type of platinum group[10].
  • ruthenium is part of period 5[11].
  • ruthenium is part of group 8[12].
  • ruthenium is part of transition metal[13].
  • ruthenium's Commons category is recorded as Ruthenium[14].
  • ruthenium's Unicode character is recorded as 釕[15].
  • ruthenium's crystal system is recorded as hexagonal crystal system[16].
  • ruthenium's time of discovery or invention is recorded as 1844[17].
  • ruthenium's space group is recorded as space group P6₃/mmc[18].
  • ruthenium's topic's main category is recorded as Category:Ruthenium[19].
  • ruthenium's Commons gallery is recorded as Ruthenium[20].
  • ruthenium's atomic number is recorded as {'amount': '+44'}[21].
  • ruthenium's electronegativity is recorded as {'amount': '+2.2'}[22].
  • ruthenium's oxidation state is recorded as {'amount': '+1'}[23].
  • ruthenium's oxidation state is recorded as {'amount': '+2'}[24].
  • ruthenium's oxidation state is recorded as {'amount': '+3'}[25].
  • ruthenium's oxidation state is recorded as {'amount': '+4'}[26].
  • ruthenium's oxidation state is recorded as {'amount': '+5'}[27].

Body

Definition and Type

ruthenium's instance of is recorded as chemical element[4]. ruthenium is a type of platinum group[10].

Origins

Ruthenia is named after ruthenium[5].

Use and Application

Part of include period 5[11], a period[28]; group 8[12], a group[29]; and transition metal[13].

Influence

Things named for ruthenium include rutheniridosmine[30], a mineral species[31] and ruthenarsenite[32], a mineral species[33].

Why It Matters

ruthenium draws 395 Wikipedia views per month (chemical_element category, ranking #78 of 144).[2] ruthenium has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[34] ruthenium is known by 64 alternative names across languages and contexts.[35]

Entities named for ruthenium include rutheniridosmine[30], a mineral species[31] and ruthenarsenite[32], a mineral species[33].

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [3] . wikidata.org.
  3. [5] . 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.

Inverse relationships (entities pointing at this one)

  1. [30] . wikidata.org. → on this site
  2. [32] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site
  2. [29] . Wikidata. wikidata.org. → on this site
  3. [31] . Wikidata. wikidata.org. → on this site
  4. [33] . 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. [34] . Wikidata sitelinks. wikidata.org.
  3. [35] . 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). ruthenium. Retrieved May 3, 2026, from https://4ort.xyz/entity/ruthenium
MLA “ruthenium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ruthenium.
BibTeX @misc{4ortxyz_ruthenium_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{ruthenium}}, year = {2026}, url = {https://4ort.xyz/entity/ruthenium}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): ruthenium — https://4ort.xyz/entity/ruthenium (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. 3d ago · Baum64 · 2026-08-30 view diff on Wikidata ↗
    Part of period 5, group 8, transition metal
    "/* wbcreateclaim-create:1| */ [[Property:P361]]: [[Q19588]], [[:toollabs:quickstatements/#/batch/269683|batch #269683]]"
  2. 7d ago · Mahirtwofivesix · 2026-08-26 view diff on Wikidata ↗
    Babelnet id 00006875n
    Interlingual index id i113998
    Arabic ontology lexical concept id 151078527
    "/* wbeditentity-statements-multiple-properties-update:0||4 */ added/modified IDs mapped to WordNet 3.1"
  3. 16d ago · KrBot bot · 2026-08-17 view diff on Wikidata ↗
    Electrical conductivity {'amount': '+14100000.0'}
    Poisson's ratio {'amount': '+0.241'}
    Melting point {'amount': '+2607.0'}
    Bulk modulus {'amount': '+310062000000.0'}
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbsetreference-set:2| */ [[Property:P5668]]: 310,062,000,000.0 pascal"
  4. 17d ago · Baum64 · 2026-08-16 view diff on Wikidata ↗
    Space group space group P6₃/mmc
    Cod id 9017842
    "/* wbcreateclaim-create:1| */ [[Property:P9824]]: 9017842, [[:toollabs:quickstatements/#/batch/269026|batch #269026]]"
  5. 10w ago · Yirba · 2026-06-19 view diff on Wikidata ↗
    P14541 3sPZvx
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37385|batch #37385]]: Encyclopedia of China (Third Edition) ID (2026) ([[Property:P14541]])"
  6. 15w ago · Ponor · 2026-05-16 view diff on Wikidata ↗
    Hrvatska enciklopedija id rutenij
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/31836|batch #31836]]: Hrvatska enciklopedija"
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