lead-201

isotope of lead
Thing isotope_of_lead Q18883415
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lead-201

Summary

lead-201 is an isotope of lead[1]. lead-201 draws 1 Wikipedia views per month (isotope_of_lead category, ranking #3 of 2).[2]

Key Facts

  • lead-201's instance of is recorded as isotope of lead[3].
  • lead-201's GND ID is recorded as 4337951-5[4].
  • lead-201's subclass of is recorded as lead[5].
  • lead-201's decays to is recorded as thallium-201[6].
  • lead-201's decays to is recorded as thallium-201[7].
  • lead-201's atomic number is recorded as {'unit': '1', 'amount': '+82'}[8].
  • lead-201's spin quantum number is recorded as {'unit': '1', 'amount': '+2.5'}[9].
  • lead-201's parity quantum number is recorded as {'unit': '1', 'amount': '-1'}[10].
  • lead-201's neutron number is recorded as {'unit': '1', 'amount': '+119'}[11].
  • lead-201's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q483261', 'amount': '+200.972870425'}[12].
  • lead-201's half-life is recorded as {'unit': 'http://www.wikidata.org/entity/Q25235', 'amount': '+9.33'}[13].
  • lead-201's binding energy is recorded as {'unit': 'http://www.wikidata.org/entity/Q28719934', 'amount': '+1583453.277'}[14].
  • lead-201's mass excess is recorded as {'unit': 'http://www.wikidata.org/entity/Q28719934', 'amount': '-25271.036'}[15].
  • lead-201's Wolfram Language entity code is recorded as Entity["Isotope", "Lead201"][16].

Why It Matters

lead-201 draws 1 Wikipedia views per month (isotope_of_lead category, ranking #3 of 2).[2]

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

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.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). lead-201. Retrieved May 3, 2026, from https://4ort.xyz/entity/lead-201
MLA “lead-201.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/lead-201.
BibTeX @misc{4ortxyz_lead-201_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{lead-201}}, year = {2026}, url = {https://4ort.xyz/entity/lead-201}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): lead-201 — https://4ort.xyz/entity/lead-201 (retrieved 2026-05-03)

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