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radon-222

most stable isotope of radon
Thing isotope_of_radon Q4387827
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radon-222

Summary

radon-222 is an isotope of radon[1]. radon-222 draws 314 Wikipedia views per month (isotope_of_radon category, ranking #1 of 6).[2]

Key Facts

  • radon-222's instance of is recorded as isotope of radon[3].
  • radon-222 is a type of radon[4].
  • radon-222's decays to is recorded as polonium-218[5].
  • radon-222's atomic number is recorded as {'amount': '+86'}[6].
  • radon-222's spin quantum number is recorded as {'amount': '+0.0'}[7].
  • radon-222's parity quantum number is recorded as {'amount': '+1'}[8].
  • radon-222's neutron number is recorded as {'amount': '+136'}[9].
  • radon-222's mass is recorded as {'unit': 'Q483261', 'amount': '+222.017576286'}[10].
  • radon-222's half-life is recorded as {'unit': 'Q573', 'amount': '+3.8235'}[11].
  • radon-222's binding energy is recorded as {'unit': 'Q28719934', 'amount': '+1708178.334'}[12].
  • radon-222's mass excess is recorded as {'unit': 'Q28719934', 'amount': '+16372.206'}[13].

Body

Definition and Type

radon-222's instance of is recorded as isotope of radon[3]. radon-222 is a type of radon[4].

Why It Matters

radon-222 draws 314 Wikipedia views per month (isotope_of_radon category, ranking #1 of 6).[2] radon-222 has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[14] radon-222 is known by 13 alternative names across languages and contexts.[15]

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] ↑ . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  6. [8] ↑ . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures. Retrieved . amdc.in2p3.fr. Provenance: wikidata.org.
  9. [11] ↑ . nndc.bnl.gov. nndc.bnl.gov. Provenance: wikidata.org.
  10. [12] ↑ . The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures. Retrieved . amdc.in2p3.fr. Provenance: wikidata.org.
  11. [13] ↑ . The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures. Retrieved . amdc.in2p3.fr. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [14] ↑ . Wikidata sitelinks. wikidata.org.
  3. [15] ↑ . 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). radon-222. Retrieved May 3, 2026, from https://4ort.xyz/entity/radon-222
MLA “radon-222.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/radon-222.
BibTeX @misc{4ortxyz_radon-222_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{radon-222}}, year = {2026}, url = {https://4ort.xyz/entity/radon-222}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): radon-222 — https://4ort.xyz/entity/radon-222 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/radon-222 · 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. 9d ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 4aPTPv
    Instance of → isotope of radon
    Spin quantum number → {'amount': '+0.0'}
    Mass → {'unit': 'Q483261', 'amount': '+222.017576286'}
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
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