34   Se   78.960000 Selenium

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Name: Selenium
Symbol: Se
Atomic Number: 34
AtomicWeight: 78.960000
Family: non metals
CAS RN: 7782-49-2
Description: A grey solid
State (25 ° C): Solid
Oxidation states: +4,+6,-2
Valence Electrons: 4p⁴

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