Canadian Medical Guide > Chemicals and Drugs > Inorganic Chemicals > Elements > Actinoid Series Elements > Neptunium Terms and Definitions
Neptunium
Medical Definition: | Neptunium. A radioactive element of the actinide metals family. It has the atomic symbol Np, atomic number 93, and atomic weight 237. | |
Guide Notes: | naturally radioactive; IM | |
CAS Type 1 Name: | CAS Number: | 7439-99-8 |
Neptunium Medical Definitions and Terms
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