Chemicals and Drugs

Polonium

A radioactive element that is a member of the chalcogen family. It has the atomic symbol Po, atomic number 84, and the atomic weight of the isotope with the longest half-life (209Po) is 208.98. It decays by alpha-emission.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A radioactive element that is a member of the chalcogen family. It has the atomic symbol Po, atomic number 84, and the atomic weight of the isotope with the longest half-life (209Po) is 208.98. It decays by alpha-emission.

Chemical Identity

Chemical Information

Molecular Formula
Po
Molecular Weight
208.98243 g/mol
CAS Registry No.
7440-08-6
IUPAC Name
polonium
InChIKey
HZEBHPIOVYHPMT-UHFFFAOYSA-N
SMILES
[Po]
MeSH Unique ID
D011059
Source
PubChem CID 6328143

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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MeSH Record

Aspects Covered

19 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, analysis, blood, cerebrospinal fluid, chemistry, classification, economics, history, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Hierarchy

Tree Numbers

  1. D01w.268w.185w.600w
  2. D01w.268w.271w.680w
  3. D01w.268w.513w.875w
  4. D01w.496w.749.305w.680w

AMA Style

References

  1. National Library of Medicine. Polonium. Medical Subject Headings (MeSH). 2026. Unique ID D011059. http://id.nlm.nih.gov/mesh/2026/D011059
  2. Polonium. In: Wikipedia. https://en.wikipedia.org/wiki/Polonium
  3. Polonium. In: Wikidata. https://www.wikidata.org/wiki/Q979
  4. Polonium. In: PubChem Compound. CID 6328143. https://pubchem.ncbi.nlm.nih.gov/compound/6328143