Facts About Francium and Hassium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- Hassium metals rate of decay is very high.
- Hassium metals 1st sample was synthesized through a nuclear reaction.
Sources
Formed by Decay Process, Mining
Synthetically Produced
Who Discovered
Marguerite Perey
Gesellschaft für Schwerionenforschung
Discovery
In 1939
In 1984