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neptunium-239

isotope of neptunium
Thing isotope_of_neptunium Q18845562
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neptunium-239

Summary

neptunium-239 is an isotope of neptunium[1].

Key Facts

  • neptunium-239's instance of is recorded as isotope of neptunium[2].
  • neptunium-239 is a type of neptunium[3].
  • neptunium-239's decays to is recorded as plutonium-239[4].
  • neptunium-239's atomic number is recorded as {'unit': '1', 'amount': '+93'}[5].
  • neptunium-239's spin quantum number is recorded as {'unit': '1', 'amount': '+2.5'}[6].
  • neptunium-239's parity quantum number is recorded as {'unit': '1', 'amount': '+1'}[7].
  • neptunium-239's neutron number is recorded as {'unit': '1', 'amount': '+146'}[8].
  • neptunium-239's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q483261', 'amount': '+239.052937599'}[9].
  • neptunium-239's half-life is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+2.356'}[10].
  • neptunium-239's binding energy is recorded as {'unit': 'http://www.wikidata.org/entity/Q28719934', 'amount': '+1806975.513'}[11].
  • neptunium-239's mass excess is recorded as {'unit': 'http://www.wikidata.org/entity/Q28719934', 'amount': '+49311.057'}[12].

Body

Definition and Type

neptunium-239's instance of is recorded as isotope of neptunium[2]. neptunium-239 is a type of neptunium[3].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  6. [7] ↑ . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures. Retrieved . amdc.in2p3.fr. Provenance: wikidata.org.
  9. [10] ↑ . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  10. [11] ↑ . The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures. Retrieved . amdc.in2p3.fr. Provenance: wikidata.org.
  11. [12] ↑ . 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.

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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). neptunium-239. Retrieved May 3, 2026, from https://4ort.xyz/entity/neptunium-239
MLA “neptunium-239.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/neptunium-239.
BibTeX @misc{4ortxyz_neptunium-239_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{neptunium-239}}, year = {2026}, url = {https://4ort.xyz/entity/neptunium-239}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): neptunium-239 — https://4ort.xyz/entity/neptunium-239 (retrieved 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. 6w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 19Qe1u
    Instance of → isotope of neptunium
    Encyclopædia britannica online id → science/neptunium-239
    Encyclopedia of china (third edition) id → 185236
    + 14 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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