Facts About Hassium and Promethium
Interesting Facts
- Hassium metals rate of decay is very high.
- Hassium metals 1st sample was synthesized through a nuclear reaction.
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
Sources
Synthetically Produced
Found in Minerals, Mining
Who Discovered
Gesellschaft für Schwerionenforschung
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Discovery
In 1984
In 1942