Facts About Potassium and Cerium
Interesting Facts
- In the list of most abundant element Potassium is ranked 7th.
- Potassium can easily be sliced (chopped) down using knife.
  
- Cerium is a rare earth metal but still it is not rare at all.
- It’s non-toxic compound Cerium sulfide has a rich red color and it is used as a pigment.
- Cerium metal is also used in Flat screen TVs, light bulb, floodlights, etc.
  
Sources
Found in Minerals, Mining
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Humphry Davy
  
Martin Heinrich Klaproth, Jöns Jakob Berzelius, Wilhelm Hisinger
  
Discovery
In 1807
  
In 1803
  
Abundance
  
  
Abundance In Sun
~0.0000004 %
  
23
Abundance In Earth's Crust
Abundance In Humans
Not Available