Facts About Potassium and Osmium
Interesting Facts
- In the list of most abundant element Potassium is ranked 7th.
- Potassium can easily be sliced (chopped) down using knife.
  
- Osmium metal does not oxidize in air unless it is heated.
- But if it heated den it forms Osmium Tetroxide, which is highly toxic.
  
Sources
Found in Minerals, Mining
  
Found As a By-product, Found in Minerals, Mining
  
History
  
  
Who Discovered
Humphry Davy
  
Smithson Tennant
  
Discovery
In 1807
  
In 1803
  
Abundance
  
  
Abundance In Sun
~0.0000002 %
  
25
Abundance In Earth's Crust
Abundance In Oceans
Not Available
  
Abundance In Humans
Not Available