Name:
Actinium
Symbol:
Ac
Atomic Number:
89
Atomic Mass:
(227)
Atomic Volume:
??? cc/mol
Discovered By:
Debierne
Discovery Date:
1899
Origin of Name:
Actinium (Greek) aktinos (ray or beam)
Toxicity:
???
Summary:
Found associated with uranium in Nature. It is formed by the nuclear decay of uranium-235.
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