Chemical properties of Selenium

34SeSelenium78.971Period: 4Melting Point: 217Boling Point: 685 Vanderwaals Radius: 200Ionization Energy: 9,7524Electrone Gativity: 2,55Covalenz Radius: 117Discovery Year: 1826Human Body: tracesInventor: Ramsay, Sir William & Strutt, John
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Heat change





Note

Melting point
Boiling point