Facts About Thorium and Calcium
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.
  
- Calcium ranks 5th rank in the list of earth’s abundance Percentage.
- It is found in the compound state.
- Gypsum or calcium sulfate is used as plaster and plaster of paris.
  
Sources
Found in Minerals, Mining
  
Earth's crust, Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Jöns Jakob Berzelius
  
Humphry Davy
  
Discovery
In 1829
  
In 1808
  
Abundance
  
  
Abundance In Earth's Crust
Abundance In Humans
Not Available