Facts About Protactinium and Iron
Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
  
- Iron is not always magnetic in nature, its allotrope are ferromagnetic and the B allotrope is nonmagnetic.
- The blood consists Iron in hemoglobin molecules to transfer Oxygen in the body.
  
Sources
Found in Uranium Ores, Mining, Ores of metals
  
Earth's crust, Found in Minerals
  
History
  
  
Who Discovered
William Crookes
  
Unknown
  
Discovery
In 1900
  
Before 5000 BC
  
Abundance
  
  
Abundance In Universe
Not Available
  
1.1 * 10
-1 %
  
1
Abundance In Sun
~-9999 %
  
Abundance In Meteorites
Not Available
  
Abundance In Earth's Crust
Abundance In Humans
Not Available