Facts About Promethium and Seaborgium
Interesting Facts
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
- 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.
Sources
Found in Minerals, Mining
Synthetically Produced
Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Lawrence Berkeley National Laboratory
Discovery
In 1942
In 1974