cobalt(II) oxide

chemical compound
ChemicalSubstance type_of_chemical_entity Q411283
Press Enter · cited answer in seconds

cobalt(II) oxide

Summary

cobalt(II) oxide is a type of chemical entity[1]. It ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (517 views/month).[2]

Key Facts

  • cobalt(II) oxide's instance of is recorded as type of chemical entity[3].
  • cobalt(II) oxide's canonical SMILES is recorded as [O-2].[Co+2][4].
  • cobalt(II) oxide's chemical formula is recorded as CoO[5].
  • cobalt(II) oxide is a type of cobalt oxide[6].
  • cobalt(II) oxide comprises cobalt[7].
  • cobalt(II) oxide comprises oxygen[8].
  • cobalt(II) oxide's mass is recorded as {'unit': 'Q483261', 'amount': '+74.928'}[9].
  • cobalt(II) oxide's melting point is recorded as {'unit': 'Q25267', 'amount': '+1830'}[10].
  • cobalt(II) oxide's subject has role is recorded as carcinogen[11].
  • cobalt(II) oxide's 2022 Harmonized System Code is recorded as 282200[12].

Why It Matters

cobalt(II) oxide ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (517 views/month).[2] It has Wikipedia articles in 20 language editions, a strong signal of global cultural recognition.[13] It is known by 38 alternative names across languages and contexts.[14]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . PubChem. Retrieved . wikidata.org.
  3. [5] . PubChem. Retrieved . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
  9. [11] . California Proposition 65 list of chemicals. Retrieved . oehha.ca.gov. Provenance: wikidata.org.
  10. [12] . Harmonized System. Retrieved . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [13] . Wikidata sitelinks. wikidata.org.
  3. [14] . 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). cobalt(II) oxide. Retrieved May 3, 2026, from https://4ort.xyz/entity/cobalt-ii-oxide
MLA “cobalt(II) oxide.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cobalt-ii-oxide.
BibTeX @misc{4ortxyz_cobalt-ii-oxide_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{cobalt(II) oxide}}, year = {2026}, url = {https://4ort.xyz/entity/cobalt-ii-oxide}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): cobalt(II) oxide — https://4ort.xyz/entity/cobalt-ii-oxide (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/cobalt-ii-oxide · 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. 25d ago · Baum64 · 2026-08-23 view diff on Wikidata ↗
    Has part(s) of the class Q629
    "/* wbcreateclaim-create:1| */ [[Property:P2670]]: [[Q629]], [[:toollabs:quickstatements/#/batch/269324|batch #269324]]"
  2. 29d ago · KrBot bot · 2026-08-19 view diff on Wikidata ↗
    Crystal system Q3006714
    Density +6450.0
    "/* wbsetreference-set:2| */ [[Property:P690]]: [[Q15041893]], см. / see [[Template:Autofix|autofix]] на / on [[Property talk:P356]]"
  3. 29d ago · Baum64 · 2026-08-18 view diff on Wikidata ↗
    Cod id 1533087
    Space group Q15041893
    "/* wbcreateclaim-create:1| */ [[Property:P9824]]: 1533087, [[:toollabs:quickstatements/#/batch/269136|batch #269136]]"
  4. 12w ago · Nabbegat · 2026-06-19 view diff on Wikidata ↗
    Has parts
    Instance of type of chemical entity
    Subclass of
    Aliases
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||tr */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37300|batch #37300]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.