Facts About Barium and Potassium
Interesting Facts
- Barium oxidizes very easily in the air.
- All toxic compounds of Barium can easily dissolve in water.
- Barium carbonate is used to produce a Rat poison and its other compound Barium nitrate is used in fireworks to produce green color.
  
- In the list of most abundant element Potassium is ranked 7th.
- Potassium can easily be sliced (chopped) down using knife.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals, Mining
  
History
  
  
Who Discovered
Carl Wilhelm Scheele
  
Humphry Davy
  
Discovery
In 1772
  
In 1807
  
Abundance
  
  
Abundance In Sun
~0.000001 %
  
18
Abundance In Earth's Crust