Facts About Iron and Chromium
Interesting Facts
- 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.
  
- Chromium is highly reactive, hence it is not found free in nature.
- Ores of Chromites mineral are the major source of Chromium metal.
- Almost 90% leather tanning is done with the help of chromium.
  
Sources
Earth's crust, Found in Minerals
  
Found in Minerals, Mining, Ores of metals, Ores of Minerals
  
History
  
  
Who Discovered
Unknown
  
Louis Nicolas Vauquelin
  
Discovery
Before 5000 BC
  
In Between 1797 - 1798
  
Abundance
  
  
Abundance In Universe
1.1 * 10-1 %
  
1
1.5 * 10-3 %
  
7
Abundance In Earth's Crust