Facts About Bohrium and Francium
Interesting Facts
- Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
  
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
  
Sources
Found in Minerals, Mining, Synthetically Produced
  
Formed by Decay Process, Mining
  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung
  
Marguerite Perey
  
Discovery
In 1981
  
In 1939
  
Abundance