americium-241

Most common isotope of americium
Thing isotope_of_americium Q7885334
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americium-241

Summary

americium-241 is an isotope of americium[1]. americium-241 has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • americium-241's instance of is recorded as isotope of americium[3].
  • americium-241's instance of is recorded as radionuclide[4].
  • americium-241's canonical SMILES is recorded as [Am][5].
  • americium-241's chemical formula is recorded as Am[6].
  • americium-241 is a type of americium[7].
  • americium-241's decays to is recorded as neptunium-237[8].
  • americium-241's decays to is recorded as silicon-34[9].
  • americium-241's decays to is recorded as thallium-207[10].
  • americium-241's atomic number is recorded as {'amount': '+95'}[11].
  • americium-241's spin quantum number is recorded as {'amount': '+2.5'}[12].
  • americium-241's parity quantum number is recorded as {'amount': '-1'}[13].
  • americium-241's neutron number is recorded as {'amount': '+146'}[14].
  • americium-241's isomeric SMILES is recorded as [241Am][15].
  • americium-241's mass is recorded as {'unit': 'Q483261', 'amount': '+241.056827413'}[16].
  • americium-241's mass is recorded as {'unit': 'Q483261', 'amount': '+241.057'}[17].
  • americium-241's half-life is recorded as {'unit': 'Q1092296', 'amount': '+432.6'}[18].
  • americium-241's binding energy is recorded as {'unit': 'Q28719934', 'amount': '+1817929.998'}[19].
  • americium-241's mass excess is recorded as {'unit': 'Q28719934', 'amount': '+52934.395'}[20].
  • americium-241's is metaclass for is recorded as americium[21].

Body

Definition and Type

Recorded instance of include isotope of americium[3] and radionuclide[4]. americium-241 is a type of americium[7].

Why It Matters

americium-241 has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[2] americium-241 is known by 12 alternative names across languages and contexts.[22]

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] . PubChem. Retrieved . wikidata.org.
  4. [6] . PubChem. Retrieved . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  11. [13] . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . PubChem. Retrieved . wikidata.org.
  14. [16] . The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures. Retrieved . amdc.in2p3.fr. Provenance: wikidata.org.
  15. [17] . PubChem. Retrieved . wikidata.org.
  16. [18] . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  17. [19] . The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures. Retrieved . amdc.in2p3.fr. Provenance: wikidata.org.
  18. [20] . The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures. Retrieved . amdc.in2p3.fr. Provenance: wikidata.org.
  19. [21] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.
  2. [22] . Wikidata aliases. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). americium-241. Retrieved May 3, 2026, from https://4ort.xyz/entity/americium-241
MLA “americium-241.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/americium-241.
BibTeX @misc{4ortxyz_americium-241_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{americium-241}}, year = {2026}, url = {https://4ort.xyz/entity/americium-241}, note = {Accessed: 2026-05-03}}
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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. 7d ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 3XjEvS
    Instance of isotope of americium, radionuclide
    Is metaclass for americium
    Spin quantum number {'amount': '+2.5'}
    + 12 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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