neptunium-240

isotope of neptunium
Thing isotope_of_neptunium Q18845563
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neptunium-240

Summary

neptunium-240 is an isotope of neptunium[1].

Key Facts

  • neptunium-240's instance of is recorded as isotope of neptunium[2].
  • neptunium-240's subclass of is recorded as neptunium[3].
  • neptunium-240's Freebase ID is recorded as /m/05_fcxf[4].
  • neptunium-240's decays to is recorded as plutonium-240[5].
  • neptunium-240's atomic number is recorded as {'unit': '1', 'amount': '+93'}[6].
  • neptunium-240's spin quantum number is recorded as {'unit': '1', 'amount': '+5.0'}[7].
  • neptunium-240's parity quantum number is recorded as {'unit': '1', 'amount': '+1'}[8].
  • neptunium-240's neutron number is recorded as {'unit': '1', 'amount': '+147'}[9].
  • neptunium-240's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q483261', 'amount': '+240.05616383'}[10].
  • neptunium-240's half-life is recorded as {'unit': 'http://www.wikidata.org/entity/Q7727', 'amount': '+7.22'}[11].
  • neptunium-240's half-life is recorded as {'unit': 'http://www.wikidata.org/entity/Q7727', 'amount': '+61.9'}[12].
  • neptunium-240's binding energy is recorded as {'unit': 'http://www.wikidata.org/entity/Q28719934', 'amount': '+1812041.52'}[13].
  • neptunium-240's mass excess is recorded as {'unit': 'http://www.wikidata.org/entity/Q28719934', 'amount': '+52316.272'}[14].
  • neptunium-240's Wolfram Language entity code is recorded as Entity["Isotope", "Neptunium240"][15].

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

Class ancestry

  1. [1] . Wikidata. 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). neptunium-240. Retrieved May 3, 2026, from https://4ort.xyz/entity/neptunium-240
MLA “neptunium-240.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/neptunium-240.
BibTeX @misc{4ortxyz_neptunium-240_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{neptunium-240}}, year = {2026}, url = {https://4ort.xyz/entity/neptunium-240}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): neptunium-240 — https://4ort.xyz/entity/neptunium-240 (retrieved 2026-05-03)

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