SHEET /m/radon · PubChem CID 24857 · CAS 10043-92-2 · REV 2026.07
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Radon
from sourceRn · 222.01758 g/mol
Alphatron · Niton · Radium emanation · Rn
What is Radon?
A radioactive noble gas that seeps from soil into basements, and the second leading cause of lung cancer after smoking. Element 86. from source
CategoryElement & material
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Fig. 1 · 2D structure RDKit
SMILES
[Rn]Where you'll find it
A pure element or an engineered material, rather than an ingredient in a product. See the rest of the element & material group.