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radium-227

isotope of radium
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Summary

radium-227 is an isotope of radium[1]. radium-227 is known by 11 alternative names across languages and contexts.[2]

Key Facts

  • Subclass of: radium[3]
  • Decays to: actinium-227[4]
  • Atomic number: 88[5]
  • Spin quantum number: 1.5[6]
  • Parity quantum number: 1[7]
  • Neutron number: 139[8]
  • Mass: 227.029176474[9]
  • Half-life: 42.2[10]
  • Binding energy: 1736164.781[11]
  • Mass excess: 27177.711[12]

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.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . 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). radium-227. Retrieved October 11, 2026, from https://4ort.xyz/entity/radium-227
MLA “radium-227.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Oct. 2026, https://4ort.xyz/entity/radium-227.
BibTeX @misc{4ortxyz_radium-227_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{radium-227}}, year = {2026}, url = {https://4ort.xyz/entity/radium-227}, note = {Accessed: 2026-10-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): radium-227 — https://4ort.xyz/entity/radium-227 (retrieved 2026-10-11)

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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. 22d ago · Profesorul Blazat · 2026-09-19 view diff on Wikidata ↗
    Wolfram language entity code → Entity["Isotope", "Radium227"]
    Binding energy → {'amount': '+1736164.781'}
    Decays to → actinium-227
    Instance of → isotope of radium
    + 10 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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