Facts About Thulium and Potassium
Interesting Facts
- Thulium metal can resist corrosion due to dry air .
- Only Tm-169 isotope of Thulium metal occur naturally.
  
- 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
Per Teodor Cleve
  
Humphry Davy
  
Discovery
In 1879
  
In 1807
  
Abundance
  
  
Abundance In Sun
~0.00000002 %
  
28
Abundance In Earth's Crust
Abundance In Humans
Not Available