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 64 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 a type of d-block[11].
  • ruthenium is part of period 5[12].
  • ruthenium is part of group 8[13].
  • ruthenium is part of transition metal[14].
  • ruthenium's Commons category is recorded as Ruthenium[15].
  • ruthenium's Unicode character is recorded as 釕[16].
  • ruthenium's crystal system is recorded as hexagonal crystal system[17].
  • ruthenium's time of discovery or invention is recorded as 1844[18].
  • ruthenium's point group is recorded as dihexagonal-dipyramidal[19].
  • ruthenium's space group is recorded as space group P6₃/mmc[20].
  • ruthenium's IPA transcription is recorded as ruːˈθiːniəm[21].
  • ruthenium's topic's main category is recorded as Category:Ruthenium[22].
  • ruthenium's Commons gallery is recorded as Ruthenium[23].
  • ruthenium's atomic number is recorded as {'amount': '+44'}[24].
  • ruthenium's Mohs' hardness is recorded as {'amount': '+6.5'}[25].
  • ruthenium's electronegativity is recorded as {'amount': '+2.2'}[26].
  • ruthenium's oxidation state is recorded as {'amount': '+1'}[27].

Body

Definition and Type

ruthenium's instance of is recorded as chemical element[4]. Recorded subclass of include platinum group[10] and d-block[11].

Origins

Ruthenia is named after ruthenium[5].

Use and Application

Part of include period 5[12], a period[28]; group 8[13], a group[29]; and transition metal[14].

Influence

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

Why It Matters

ruthenium draws 64 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] ↑ . Q24488839. wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . kpfu.ru. kpfu.ru. Provenance: wikidata.org.
  5. [7] ↑ . PubChem. Retrieved . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . PubChem. Retrieved . 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] ↑ . cns11643.gov.tw. Retrieved . cns11643.gov.tw. Provenance: wikidata.org.
  15. [17] ↑ . crystallography.net. Retrieved . crystallography.net. Provenance: wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . crystallography.net. Retrieved . crystallography.net. Provenance: wikidata.org.
  18. [20] ↑ . crystallography.net. Retrieved . crystallography.net. Provenance: wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . periodic table. wikidata.org.
  23. [25] ↑ . Retrieved . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . britannica.com. britannica.com. Provenance: 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 October 7, 2026, from https://4ort.xyz/entity/ruthenium
MLA “ruthenium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 Oct. 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: 2026-10-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): ruthenium — https://4ort.xyz/entity/ruthenium (retrieved 2026-10-07)

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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. 6d ago · R1F4T · 2026-10-03 view diff on Wikidata ↗
    P14936 → {'unit': 'Q192274', 'amount': '+130'}
    Sitelink count → 144
    Wikipedia languages → ['af', 'am', 'an', 'anp', 'ar', 'ary', 'arz', 'ast', 'avk', 'az', 'ba', 'ban', '
    P14937 → {'unit': 'Q192274', 'amount': '+146'}
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P14936]]: 130 picometre, Add sourced P14936 element radius"
  2. 13d ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗
    Zvg number → 7440
    "/* wbsetclaimvalue:1| */ [[Property:P679]]: 7440, см. / see [[Template:Autofix|autofix]] на / on [[Property talk:P679]]"
  3. 16d ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    Oxidation state → {'amount': '+1'}, {'amount': '+2'}, {'amount': '+3'} +8
    Zvg number → 7440
    "/* wbcreateclaim-create:1| */ [[Property:P679]]: 007440, [[:toollabs:quickstatements/#/batch/275042|batch #275042]]"
  4. 20d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Oxidation state → {'amount': '+1'}, {'amount': '+2'}, {'amount': '+3'} +8
    "/* wbsetclaim-create:2||1 */ [[Property:P1121]]: −4, add oxidation state from en:Template:Infobox element/symbol-to-oxidation-state"
  5. 20d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Ipa transcription → ruːˈθiːniəm
    "/* wbsetclaim-create:2||1 */ [[Property:P898]]: ruːˈθiːniəm, add IPA transcription (from en:Template:Infobox element/symbol-to-pronunciation)"
  6. 20d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Pronunciation audio → LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-rut
    "/* wbsetclaim-create:2||1 */ [[Property:P443]]: LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-ruthenium.wav, add English pronunciation audio (Lingua Libre, from en:Template:Infobox element/"
  7. 21d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Subclass of → platinum group, d-block
    "/* wbsetclaim-create:2||1 */ [[Property:P279]]: [[Q214503]], add periodic table block (IUPAC 2021 convention)"
  8. 21d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Ionization energy → {'unit': 'Q83327', 'amount': '+7.3605'}
    "/* wbsetclaim-create:1||1 */ [[Property:P2260]]: 7.3605±0.00005 electronvolt, import ionization energy from NIST Atomic Spectra Database"
  9. 4w ago · Baum64 · 2026-09-05 view diff on Wikidata ↗
    Has characteristic → paramagnetism
    Mohs' hardness → {'amount': '+6.5'}
    Point group → dihexagonal-dipyramidal
    "/* wbcreateclaim-create:1| */ [[Property:P589]]: [[Q13362368]], [[:toollabs:quickstatements/#/batch/270882|batch #270882]]"
  10. 5w 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]]"
  11. 6w 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"
  12. 7w ago · KrBot bot · 2026-08-17 view diff on Wikidata ↗
    Electrical conductivity → {'unit': 'Q80842107', 'amount': '+14100000.0'}
    Poisson's ratio → {'amount': '+0.241'}
    Melting point → {'unit': 'Q11579', 'amount': '+2607.0'}
    Bulk modulus → {'unit': 'Q44395', 'amount': '+310062000000.0'}
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbsetreference-set:2| */ [[Property:P5668]]: 310,062,000,000.0 pascal"
  13. 7w 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]]"
  14. 15w 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]])"
  15. 20w 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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