Facts About Lanthanum and Thorium
Interesting Facts
- Lanthanum metal is highly malleable, ductile and sectile.
- If exposed to air Lanthanum metal oxidizes rapidly.
  
- 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.
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals, Mining
  
History
  
  
Who Discovered
Carl Gustaf Mosander
  
Jöns Jakob Berzelius
  
Discovery
In 1838
  
In 1829
  
Abundance
  
  
Abundance In Sun
~0.0000002 %
  
25
Abundance In Earth's Crust