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