Facts About Francium and Iron
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
  
- 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
Formed by Decay Process, Mining
  
Earth's crust, Found in Minerals
  
History
  
  
Who Discovered
Marguerite Perey
  
Unknown
  
Discovery
In 1939
  
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
Not Available
  
Abundance In Oceans
Not Available
  
Abundance In Humans
Not Available