Selenium

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Selenium

• 34
• Se 78.96

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Properties And Uses

• Uses
• used in photocopying for reproducing and copying
  documents, letters, etc.
• used by the glass industry to decolorize glass
  and to make ruby colored glasses and enamels
• additive for stainless steel
• TV cameras

• Properties
• Atomic Number 34 
• Atomic Weight 78.96
• melting point 490.2 K
• boiling point 958 K
• color black
• toxicity yes

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Facts About Selenium

• Discovered by J.J. Berkelium in 1817
• Isolated in Stockholm, Sweden
• The name is derived from the Greek serene,
  meaning moon

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Atomic Weight 78.96
Color Black
Toxic Yes
Symbol SE
Properties
Basic Info
Selenium
Melting point 490.2 K
Atomic Number 34
History
Decolorize glass
means moon
TV Cameras
Uses
Addictive for stainless steel
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Sources

• http//www.webelements.com/webelements/scholar/ele
  ments/periodictable/uses.html
• http//chemistry.allinfoabout.com/periodic/periodi
  ctable.html
• http//www.chemicool.com
• http//www.chemicalelements.com/index.html