Facts About Francium and Californium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- Californium metal is very harmful and highly radioactive.
- Californium metal is the heaviest metal.
Sources
Formed by Decay Process, Mining
Made by Bombarding Curium with Helium Ions
Who Discovered
Marguerite Perey
Lawrence Berkeley National Laboratory
Discovery
In 1939
In 1950