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Selenium  

  • Discovered in 1817 by Jöns Jacob Berzelius

  • Atomic Radii: 103 pm 

  • Melting Point: 220.8°C

  • Boiling Point: 685°C

 

Applications:

-used to make pigments for ceramics, paint and plastics

-anti-dandruff shampoos

-rectifiers

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