Facts About Nihonium and Promethium
Interesting Facts
Not Available
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
Sources
Synthetically Produced
Found in Minerals, Mining
Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Discovery
In 2003
In 1942