Canadian Medical Guide > Chemicals and Drugs > Inorganic Chemicals > Elements > Elements, Radioactive > Francium Terms and Definitions




Francium

Medical Definition: Francium. A radioactive alkali metal with the atomic symbol Fr, atomic number 87, and atomic weight 223. The mass numbers of other known isotopes are 204-213, 217-222, and 224. Its valence is +1.
Guide Notes: naturally radioactive; IM
CAS Type 1 Name: CAS Number: 7440-73-5

Francium Medical Definitions and Terms

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