Facts About Potassium and Thorium
Interesting Facts
- In the list of most abundant element Potassium is ranked 7th.
- Potassium can easily be sliced (chopped) down using knife.
  
- 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
  
Found in Minerals, Mining
  
History
  
  
Who Discovered
Humphry Davy
  
Jöns Jakob Berzelius
  
Discovery
In 1807
  
In 1829
  
Abundance
  
  
Abundance In Earth's Crust
Abundance In Humans
Not Available