Facts About Curium and Protactinium
Interesting Facts
- Curium metal does not occur free in nature.
- Curium metal is a synthetically produced metal.
  
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
  
Sources
Bombarding Plutonium with Helium Ions
  
Found in Uranium Ores, Mining, Ores of metals
  
History
  
  
Who Discovered
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
  
William Crookes
  
Discovery
In 1944
  
In 1900
  
Abundance
  
  
Abundance In Earth's Crust
Not Available
  
Abundance In Oceans
Not Available