Facts About Mendelevium and Protactinium
Interesting Facts
- Mendelevium metal is synthetically produced metal.
- Mendelevium metal has been produced in only trace amount.
  
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
  
Sources
Bombarding Einsteinium with Helium Ions
  
Found in Uranium Ores, Mining, Ores of metals
  
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory
  
William Crookes
  
Discovery
In 1955
  
In 1900
  
Abundance
  
  
Abundance In Earth's Crust
Not Available
  
Abundance In Oceans
Not Available