1.

Which electronic configuration belongs to an element of group 16?

Answer»

`[He] 2S^(2)2p^(2)`
`[Ne]^(2) 3s^(2) 3p^(4)`
`[Ar] 3d^(5) 4S^(1)`
`[Ar] 3d^(10) 4s^(2) 4p^(6)`

SOLUTION :Group 16th ELEMENT have `ns^(2) np^(4)` configuration of outermost shell (valence-shell).


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