Facts About Iron and Gold
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.
  
- It is found in copper ores and from the crust of the earth.
- It is the most malleable and ductile metal.
- Gold alloys are used in Dentistry as fillings, crowning, clips, etc. It is also used as an artificial limb joints.
  
Sources
Earth's crust, Found in Minerals
  
Earth's crust, Mining, Ores of metals
  
History
  
  
Discovery
Before 5000 BC
  
Before 6000 BCE
  
Abundance
  
  
Abundance In Universe
1.1 * 10-1 %
  
1
Abundance In Sun
~0.0000001 %
  
26
Abundance In Earth's Crust