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Facts About Promethium and Californium


Facts About Californium and Promethium


Facts

Interesting Facts
  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
  
  • Californium metal is very harmful and highly radioactive.
  • Californium metal is the heaviest metal.
  

Sources
Found in Minerals, Mining   
Made by Bombarding Curium with Helium Ions   

History
  
  

Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe   
Lawrence Berkeley National Laboratory   

Discovery
In 1942   
In 1950   

Abundance
  
  

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