Facts About Francium and Erbium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
  
- Erbium metal is used as alloyed with Vanadium to make it softer.
- Recent studies shows that it is helpful for metabolism.
  
Sources
Formed by Decay Process, Mining
  
Mining
  
History
  
  
Who Discovered
Marguerite Perey
  
Carl Gustaf Mosander
  
Discovery
In 1939
  
In 1842
  
Abundance
  
  
Abundance In Universe
Not Available
  
Abundance In Sun
~-9999 %
  
~0.0000001 %
  
26
Abundance In Meteorites
Not Available
  
Abundance In Earth's Crust
Not Available
  
Abundance In Oceans
Not Available