Facts About Neptunium and Francium
Facts
Interesting Facts
Not Available
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
Sources
Made by Bombarding Uranium with Neutrons, Ores of metals
Formed by Decay Process, Mining
History
Who Discovered
Edwin McMillan and Philip H. Abelson
Marguerite Perey
Discovery
In 1940
In 1939
Abundance
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