Facts About Seaborgium and Promethium
Interesting Facts
- Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
- And other isotopes of Seaborgium have half-lives as short as 3 ms.
  
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
  
Sources
Synthetically Produced
  
Found in Minerals, Mining
  
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory
  
Chien Shiung Wu, Emilio Segrè, Hans Bethe
  
Discovery
In 1974
  
In 1942
  
Abundance