SHEET /m/radium · PubChem CID 6328144 · CAS 7440-14-4 · REV 2026.07
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Radium
from sourceRa · 226.02541 g/mol
Actinium-X · Element-Ra · Thorium-X
What is Radium?
The element Marie Curie isolated, once painted onto watch dials until the women who painted them fell ill. Its glow is its radioactivity. Element 88. from source
CategoryElement & material
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Fig. 1 · 2D structure RDKit
SMILES
[Ra]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.