1.

Which one pair of atoms or ions will have same configuration ?A. `F^(o+)` and `Ne`B. `Li^(o+)` and `He^(ɵ)`C. `Na` and `K`D. `Cl^(ɵ)` and `Ar`

Answer» Correct Answer - D
`Cl = 3s^(2)3p^(5), Cl^(ɵ) = 3s^(2)3p^(6), Ar = 3s^(2)3p^(6)`


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