Facts About Francium and Curium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- Curium metal does not occur free in nature.
- Curium metal is a synthetically produced metal.
Sources
Formed by Decay Process, Mining
Bombarding Plutonium with Helium Ions
Who Discovered
Marguerite Perey
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
Discovery
In 1939
In 1944