Facts About Francium and Ytterbium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
  
- Ytterbium metal oxidizes rapidly if exposed to air.
- Ytterbium metal can dissolve quickly in Mineral acid.
  
Sources
Formed by Decay Process, Mining
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Marguerite Perey
  
Jean Charles Galissard de Marignac
  
Discovery
In 1939
  
In 1878
  
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