Facts About Strontium and Potassium
Interesting Facts
- Strontium element is softer than Calcium.
- Silvery Strontium turns yellow, if exposed to air.
  
- In the list of most abundant element Potassium is ranked 7th.
- Potassium can easily be sliced (chopped) down using knife.
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals, Mining
  
History
  
  
Who Discovered
William Cruickshank
  
Humphry Davy
  
Discovery
In 1787
  
In 1807
  
Abundance
  
  
Abundance In Sun
~0.000005 %
  
15
Abundance In Earth's Crust