Facts About Francium and Fermium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- Fermium metal is highly radioactive in nature.
- Fermium is synthetically produced metal.
Sources
Formed by Decay Process, Mining
Bombarding Pu-239 with Neutrons
Who Discovered
Marguerite Perey
Lawrence Berkeley National Laboratory
Discovery
In 1939
In 1952