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Neptunium
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Definition
: Neptunium. A radioactive element of the actinide metals family. It has the atomic symbol Np, atomic number 93, and atomic weight 237.
naturally radioactive; IM
Substance
CAS Registry & name
Categories
Source
Drugs
*
neptunium nitrate
50454-43-8
*Neptunium
*Nitrates.
Health Phys 1985;48(1):61