Facts About Molybdenum and Thorium
Interesting Facts
- Molybdenum is highly reactive metal, hence not found free in nature .
- Till 18th century Molybdenum element were often mistaken as a carbon or Lead.
  
- 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 Wilhelm Scheele
  
Jöns Jakob Berzelius
  
Discovery
In 1778
  
In 1829
  
Abundance
  
  
Abundance In Sun
~0.0000009 %
  
19
Abundance In Earth's Crust
Abundance In Humans
Not Available