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Radon

A naturally radioactive element with atomic symbol Rn, and atomic number 86. It is a member of the noble gas family found in soil, and is released during the decay of RADIUM.

Year introduced: ACTINON was see RADON 1978-1993

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Subheadings:

Tree Number(s): D01.268.271.800, D01.268.613.700, D01.362.641.745, D01.496.749.305.800

MeSH Unique ID: D011886

Registry Number: Q74S4N8N1G

Entry Terms:

  • Thoron (Element)
  • Actinon

See Also:

Pharmacologic Action:

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