Facts About Protactinium and Americium
Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
  
- Americium metal is produced by bombarding Plutonium with Neutrons.
- Americium metal was discovered as a by-product while testing an atomic bomb (Manhattan Project).
  
Sources
Found in Uranium Ores, Mining, Ores of metals
  
Obtained By Bombarding Plutonium with Neutrons
  
History
  
  
Who Discovered
William Crookes
  
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso
  
Discovery
In 1900
  
In 1944
  
Abundance
  
  
Abundance In Earth's Crust
Not Available
  
Abundance In Oceans
Not Available