1.

Amongst the following elements (whose electronic configuration an given below) the one having highest ionization energy isA. `[Ne]3s^(2)3p^(1)`B. `[Ne]3s^(2)3p^(3)`C. `[Ne]3s^(2)3p^(2)`D. `[Ar]3d^(10)4s^(2)4p^(3)`

Answer» Correct Answer - B
`[Ne]3s^(2)3p^(3)` has highest ionization energy (half-filled )


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