nickel(II) oxide

chemical compound
ChemicalSubstance type_of_chemical_entity Q411221
nickel(II) oxide
Ondřej Mangl · Public Domain · Wikimedia
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nickel(II) oxide

Summary

nickel(II) oxide is a type of chemical entity[1]. It ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (251 views/month).[2]

Key Facts

  • nickel(II) oxide's instance of is recorded as type of chemical entity[3].
  • nickel(II) oxide's canonical SMILES is recorded as O=[Ni][4].
  • nickel(II) oxide's chemical formula is recorded as NiO[5].
  • nickel(II) oxide is a type of nickel compound[6].
  • nickel(II) oxide is a type of oxide[7].
  • nickel(II) oxide's Commons category is recorded as Nickel(II) oxide[8].
  • nickel(II) oxide's crystal system is recorded as face-centered cubic[9].
  • nickel(II) oxide's point group is recorded as cubic-hexoctahedral[10].
  • nickel(II) oxide's space group is recorded as space group Fm-3m[11].
  • nickel(II) oxide's density is recorded as {'amount': '+6762.15'}[12].
  • nickel(II) oxide's mass is recorded as {'amount': '+73.930258'}[13].
  • nickel(II) oxide's melting point is recorded as {'amount': '+1682'}[14].
  • nickel(II) oxide's has part is recorded as oxygen[15].
  • nickel(II) oxide's has part is recorded as nickel[16].
  • nickel(II) oxide's subject has role is recorded as carcinogen[17].
  • nickel(II) oxide's safety classification and labelling is recorded as NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[18].

Why It Matters

nickel(II) oxide ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (251 views/month).[2] It has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[19] It is known by 36 alternative names across languages and contexts.[20]

References

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

Direct Wikidata claims

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

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [19] ↑ . Wikidata sitelinks. wikidata.org.
  3. [20] ↑ . 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). nickel(II) oxide. Retrieved October 8, 2026, from https://4ort.xyz/entity/nickel-ii-oxide
MLA “nickel(II) oxide.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Oct. 2026, https://4ort.xyz/entity/nickel-ii-oxide.
BibTeX @misc{4ortxyz_nickel-ii-oxide_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{nickel(II) oxide}}, year = {2026}, url = {https://4ort.xyz/entity/nickel-ii-oxide}, note = {Accessed: 2026-10-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): nickel(II) oxide — https://4ort.xyz/entity/nickel-ii-oxide (retrieved 2026-10-08)

Canonical URL: https://4ort.xyz/entity/nickel-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. 13d ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗
    Zvg number → 1230
    "/* wbsetclaimvalue:1| */ [[Property:P679]]: 1230, см. / see [[Template:Autofix|autofix]] на / on [[Property talk:P679]]"
  2. 16d ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    Zvg number → 1230
    Point group → cubic-hexoctahedral
    "/* wbcreateclaim-create:1| */ [[Property:P679]]: 001230, [[:toollabs:quickstatements/#/batch/275042|batch #275042]]"
  3. 6w ago · Baum64 · 2026-08-23 view diff on Wikidata ↗
    Has part(s) → —
    Has part(s) of the class → oxygen, nickel
    "/* wbcreateclaim-create:1| */ [[Property:P2670]]: [[Q629]], [[:toollabs:quickstatements/#/batch/269324|batch #269324]]"
  4. 7w ago · KrBot bot · 2026-08-19 view diff on Wikidata ↗
    Density → {'amount': '+6762.15'}
    "/* wbsetreference-set:2| */ [[Property:P690]]: [[Q15041893]], см. / see [[Template:Autofix|autofix]] на / on [[Property talk:P356]]"
  5. 7w ago · Baum64 · 2026-08-18 view diff on Wikidata ↗
    Crystal system → face-centered cubic
    Cod id → 4329323
    Space group → space group Fm-3m
    "/* wbcreateclaim-create:1| */ [[Property:P9824]]: 4329323, [[:toollabs:quickstatements/#/batch/269136|batch #269136]]"
  6. 19w ago · Twofivesixbot bot · 2026-05-25 view diff on Wikidata ↗
    Instance of → —
    Subclass of → nickel compound, oxide
    Subject has role → carcinogen
    Safety classification and labelling → NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response
    + 8 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|3 */ [[Property:P8189]]: 987007602372305171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.