chromium

chemical element with symbol Cr and atomic number 24
Thing chemical_element Q725
Press Enter · cited answer in seconds

Summary

chromium is a chemical element[1]. chromium draws 12,299 Wikipedia views per month (chemical element category, ranking #39 of 144).[2]

Key Facts

  • Discoverer or inventor: Louis Nicolas Vauquelin[3]
  • Instance of: lithophile[4]
  • Named after: color field[5]
  • Manufacturer: Pfizer[6]
  • Made from material: chromite[7]
  • Canonical SMILES: [Cr][8]
  • Element symbol: Cr[9]
  • Chemical formula: Cr[10]
  • Subclass of: allergen[11], simple substance[12], heavy metal[13], d-block[14]
  • Part of: period 4[15], group 6[16], transition metal[17]
  • Commons category: Chromium[18]
  • Unicode character: 鉻[19]
  • Crystal system: body-centered cubic[20]
  • Time of discovery or invention: 1797[21]
  • Found in taxon: Foeniculum vulgare[22], Cashew[23], Apium graveolens[24], Baccharis[25], Cistus ladanifer[26], Coreopsis tinctoria[27], Coriandrum sativum[28], Cytisus scoparius[29], Erica arborea[30], Erica umbellata[31], Centaurium erythraea[32], Geranium robertianum[33], Hypericum androsaemum[34], Lamium album[35]
  • Topic's main category: Category:Chromium[36]
  • Commons gallery: Chromium[37]

Body

Influence

Things named for chromium include Chromium[38], a web browser[39], founded in 2008[40]; chromite[41], a mineral species[42]; chromio-pargasite[43], a mineral species[44]; chromferide[45], a mineral species[46]; and ferchromide[47], a mineral species[48].

Why It Matters

chromium has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[49] chromium is known by 66 alternative names across languages and contexts.[50]

Entities named for chromium include Chromium[38], a web browser[39], founded in 2008[40]; chromite[41], a mineral species[42]; chromio-pargasite[43], a mineral species[44]; chromferide[45], a mineral species[46]; and ferchromide[47], a mineral species[48].

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] ↑ . pfizer.com. pfizer.com. Provenance: wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . Atomic weights of the elements 2009 (IUPAC Technical Report). wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . NDF-RT. Retrieved . 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] ↑ . cns11643.gov.tw. Retrieved . cns11643.gov.tw. Provenance: wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . Effect of oral administration of fennel (Foeniculum vulgare) on ciprofloxacin absorption and disposition in the rat. wikidata.org.
  21. [23] ↑ . Chromium in a series of Portuguese plants used in the herbal treatment of diabetes. wikidata.org.
  22. [24] ↑ . Chromium in a series of Portuguese plants used in the herbal treatment of diabetes. wikidata.org.
  23. [25] ↑ . Chromium in a series of Portuguese plants used in the herbal treatment of diabetes. wikidata.org.
  24. [26] ↑ . Chromium in a series of Portuguese plants used in the herbal treatment of diabetes. wikidata.org.
  25. [27] ↑ . Chromium in a series of Portuguese plants used in the herbal treatment of diabetes. wikidata.org.
  26. [28] ↑ . Chromium in a series of Portuguese plants used in the herbal treatment of diabetes. wikidata.org.
  27. [29] ↑ . Chromium in a series of Portuguese plants used in the herbal treatment of diabetes. wikidata.org.
  28. [30] ↑ . Chromium in a series of Portuguese plants used in the herbal treatment of diabetes. wikidata.org.
  29. [31] ↑ . Chromium in a series of Portuguese plants used in the herbal treatment of diabetes. wikidata.org.
  30. [32] ↑ . Chromium in a series of Portuguese plants used in the herbal treatment of diabetes. wikidata.org.
  31. [33] ↑ . Chromium in a series of Portuguese plants used in the herbal treatment of diabetes. wikidata.org.
  32. [34] ↑ . Chromium in a series of Portuguese plants used in the herbal treatment of diabetes. wikidata.org.
  33. [35] ↑ . Chromium in a series of Portuguese plants used in the herbal treatment of diabetes. wikidata.org.
  34. [36] ↑ . wikidata.org.
  35. [37] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [38] ↑ . wikidata.org. → on this site
  2. [41] ↑ . wikidata.org. → on this site
  3. [43] ↑ . wikidata.org. → on this site
  4. [45] ↑ . wikidata.org. → on this site
  5. [47] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [39] ↑ . Wikidata. wikidata.org. → on this site
  2. [40] ↑ . Wikidata. wikidata.org. → on this site
  3. [42] ↑ . Wikidata. wikidata.org. → on this site
  4. [44] ↑ . Wikidata. wikidata.org. → on this site
  5. [46] ↑ . Wikidata. wikidata.org. → on this site
  6. [48] ↑ . 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. [49] ↑ . Wikidata sitelinks. wikidata.org.
  3. [50] ↑ . 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). chromium. Retrieved October 13, 2026, from https://4ort.xyz/entity/chromium-q725
MLA “chromium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 13 Oct. 2026, https://4ort.xyz/entity/chromium-q725.
BibTeX @misc{4ortxyz_chromium-q725_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{chromium}}, year = {2026}, url = {https://4ort.xyz/entity/chromium-q725}, note = {Accessed: 2026-10-13}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): chromium — https://4ort.xyz/entity/chromium-q725 (retrieved 2026-10-13)

Canonical URL: https://4ort.xyz/entity/chromium-q725 · 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. 12d ago · R1F4T · 2026-10-03 view diff on Wikidata ↗
    P14936 → {'unit': 'Q192274', 'amount': '+140'}
    Wikipedia languages → ['af', 'am', 'an', 'anp', 'ar', 'ary', 'arz', 'ast', 'avk', 'awa', 'az', 'ban',
    P14937 → {'unit': 'Q192274', 'amount': '+139'}
    Claims rich → —
    "/* wbsetclaim-create:2||1 */ P14936: 140 picometre, Add sourced atomic radius"
  2. 19d ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗
    Zvg number → 8190
    "/* wbsetclaimvalue:1| */ Zvg number: 8190, см. / see [[Template:Autofix|autofix]] на / on [[Property talk:P679]]"
  3. 22d ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    Zvg number → 8190
    "/* wbcreateclaim-create:1| */ Zvg number: 008190, [[:toollabs:quickstatements/#/batch/275042|batch #275042]]"
  4. 26d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Crystal system → body-centered cubic
    Has characteristic → antiferromagnetism
    "/* wbsetclaim-create:2||1 */ Has characteristic: antiferromagnetism, add magnetic ordering from en:Template:Infobox element"
  5. 26d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Oxidation state → {'amount': '-2'}, {'amount': '-1'}, {'amount': '+1'} +7
    "/* wbsetclaim-create:2||1 */ Oxidation state: −4, add oxidation state from en:Template:Infobox element/symbol-to-oxidation-state"
  6. 27d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Subclass of → allergen, simple substance, heavy metal +1
    "/* wbsetclaim-create:2||1 */ Subclass of: d-block, add periodic table block (IUPAC 2021 convention)"
  7. 27d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Ionization energy → {'unit': 'Q83327', 'amount': '+6.76651'}, {'unit': 'Q83327', 'amount': '+16.486305'}, {'unit': 'Q83327', 'amount': '+30.959'}
    "/* wbeditentity-statements-single-property-add:1||3 */ Ionization energy, import ionization energy from NIST Atomic Spectra Database"
  8. 5w ago · Baum64 · 2026-09-05 view diff on Wikidata ↗
    Standard molar entropy → {'unit': 'Q20966455', 'amount': '+174.31'}, {'unit': 'Q20966455', 'amount': '+36.2'}, {'unit': 'Q20966455', 'amount': '+23.62'}
    Mohs' hardness → {'amount': '+8.5'}
    Linear thermal expansion coefficient → {'unit': 'Q56025776', 'amount': '+4.81'}
    Standard enthalpy of formation → {'unit': 'Q752197', 'amount': '+397.48'}, {'unit': 'Q752197', 'amount': '+26.07'}
    "/* wbcreateclaim-create:1| */ Standard enthalpy of formation: 397.48 kilojoule per mole, [[:toollabs:quickstatements/#/batch/270882|batch #270882]]"
  9. 6w ago · Baum64 · 2026-08-30 view diff on Wikidata ↗
    Subclass of → allergen, simple substance, heavy metal +1
    Part of → period 4, group 6, transition metal
    "/* wbremoveclaims-remove:1| */ Subclass of: transition metal, [[:toollabs:quickstatements/#/batch/269683|batch #269683]]"
  10. 6w ago · Baum64 · 2026-08-29 view diff on Wikidata ↗
    Subclass of → allergen, simple substance, heavy metal +1
    "/* wbcreateclaim-create:1| */ Subclass of: transition metal, [[:toollabs:quickstatements/#/batch/269657|batch #269657]]"
  11. 7w ago · Mahirtwofivesix · 2026-08-26 view diff on Wikidata ↗
    Interlingual index id → i113921
    Arabic ontology lexical concept id → 151078450
    "/* wbeditentity-statements-multiple-properties-update:0||3 */ added/modified IDs mapped to WordNet 3.1"
  12. 8w ago · Baum64 · 2026-08-16 view diff on Wikidata ↗
    Electrical conductivity → {'unit': 'Q80842107', 'amount': '+7870000.0'}
    Poisson's ratio → {'amount': '+0.352'}
    Specific heat capacity → {'unit': 'Q3085309', 'amount': '+449.0'}
    Electrical resistivity → {'unit': 'Q1441459', 'amount': '+0.000000125'}
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Cod id: 9012613, [[:toollabs:quickstatements/#/batch/269026|batch #269026]]"
  13. 13w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 1cw7RP
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  14. 21w ago · Ponor · 2026-05-16 view diff on Wikidata ↗
    Hrvatska enciklopedija id → krom
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/31836|batch #31836]]: Hrvatska enciklopedija"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.