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calcium-40

isotope of calcium
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calcium-40

Summary

calcium-40 is an isotope of calcium[1]. calcium-40 draws 137 Wikipedia views per month (isotope_of_calcium category, ranking #2 of 3).[2]

Key Facts

  • calcium-40's instance of is recorded as isotope of calcium[3].
  • calcium-40's canonical SMILES is recorded as [40Ca][4].
  • calcium-40 is a type of calcium[5].
  • calcium-40's decays to is recorded as argon-40[6].
  • calcium-40's atomic number is recorded as {'amount': '+20'}[7].
  • calcium-40's spin quantum number is recorded as {'amount': '+0.0'}[8].
  • calcium-40's parity quantum number is recorded as {'amount': '+1'}[9].
  • calcium-40's neutron number is recorded as {'amount': '+20'}[10].
  • calcium-40's mass is recorded as {'amount': '+39.962590865'}[11].
  • calcium-40's half-life is recorded as {'amount': '+3000000000000000000000.0'}[12].
  • calcium-40's binding energy is recorded as {'amount': '+342052.12'}[13].
  • calcium-40's mass excess is recorded as {'amount': '-34846.384'}[14].
  • calcium-40's natural abundance is recorded as {'amount': '+0.9694'}[15].

Body

Definition and Type

calcium-40's instance of is recorded as isotope of calcium[3]. calcium-40 is a type of calcium[5].

Why It Matters

calcium-40 draws 137 Wikipedia views per month (isotope_of_calcium category, ranking #2 of 3).[2] calcium-40 is known by 16 alternative names across languages and contexts.[16]

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.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [16] ↑ . 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). calcium-40. Retrieved May 3, 2026, from https://4ort.xyz/entity/calcium-40
MLA “calcium-40.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/calcium-40.
BibTeX @misc{4ortxyz_calcium-40_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{calcium-40}}, year = {2026}, url = {https://4ort.xyz/entity/calcium-40}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): calcium-40 — https://4ort.xyz/entity/calcium-40 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/calcium-40 · 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. 2d ago · Profesorul Blazat · 2026-09-19 view diff on Wikidata ↗
    Neutron number → {'amount': '+20'}
    Mass excess → {'amount': '-34846.384'}
    Mass → {'amount': '+39.962590865'}
    Instance of → isotope of calcium
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||ro */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/55080|batch #55080]]"
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