Chemistry of non-metal
Oxygen
Symbol : O
Atomic Number : 8
Molecular Weight : 32
Electronic Configuration : 1s2,2s2,2p6
Ionazition energy (I) : 1314 KJ/mol
Electronegativity : 3.5
Nature of element : Non-Metal (chalcogens)
Molecular formula : O2
Valancy : 2
Group number : VIA
Atomic mass : 15.999 amu (16)
Block : P-block
Discovered by Ioseph Priestly
Isotopes :
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