Facts About Thorium and Promethium
Interesting Facts
- Thorium metal is used as an alternate option over Uranium for nuclear fuel.
- Thorium metals appearance (silvery white, soft) is somewhat similar to Lead metal.
  
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
  
Sources
Found in Minerals, Mining
  
Found in Minerals, Mining
  
History
  
  
Who Discovered
Jöns Jakob Berzelius
  
Chien Shiung Wu, Emilio Segrè, Hans Bethe
  
Discovery
In 1829
  
In 1942
  
Abundance
  
  
Abundance In Universe
Not Available
  
Abundance In Sun
~-9999 %
  
Abundance In Meteorites
Not Available
  
Abundance In Earth's Crust
Not Available
  
Abundance In Oceans
Not Available