Facts About Mendelevium and Promethium
Interesting Facts
- Mendelevium metal is synthetically produced metal.
- Mendelevium metal has been produced in only trace amount.
  
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
  
Sources
Bombarding Einsteinium with Helium Ions
  
Found in Minerals, Mining
  
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory
  
Chien Shiung Wu, Emilio Segrè, Hans Bethe
  
Discovery
In 1955
  
In 1942
  
Abundance