Facts About Protactinium and Platinum
Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
  
- Platinum is the rarest metal from the Precious metal categories..
- Commercially Platinum is produced as a byproduct in ores of nickel.
  
Sources
Found in Uranium Ores, Mining, Ores of metals
  
Mining, Ores of metals, Ores of Minerals
  
History
  
  
Who Discovered
William Crookes
  
Antonio de Ulloa
  
Discovery
In 1900
  
In 1735
  
Abundance
  
  
Abundance In Universe
Not Available
  
Abundance In Sun
~-9999 %
  
~0.0000009 %
  
19
Abundance In Meteorites
Not Available
  
Abundance In Earth's Crust
Abundance In Oceans
Not Available