Facts About Protactinium and Potassium
Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
  
- In the list of most abundant element Potassium is ranked 7th.
- Potassium can easily be sliced (chopped) down using knife.
  
Sources
Found in Uranium Ores, Mining, Ores of metals
  
Found in Minerals, Mining
  
History
  
  
Who Discovered
William Crookes
  
Humphry Davy
  
Discovery
In 1900
  
In 1807
  
Abundance
  
  
Abundance In Universe
Not Available
  
Abundance In Sun
~-9999 %
  
Abundance In Meteorites
Not Available
  
Abundance In Earth's Crust
Abundance In Humans
Not Available