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Which one of the following sets of ions represents the collection of isoelectronic species?A. `Na^(+), Mg^(2+), A1^(3+), C1^(-)`B. `K^(+),Ca^(2+), Sc^(3+), C1^(-)`C. `Na^(+), Ca^(2+), Sc^(3+), F^(-)`D. `K^(+), C1^(-), Mg^(2+), Sc^(3+)` |
Answer» Correct Answer - B Isolectronic species are characterized by identical electronic configuration. `K^(+),Ca^(2+),Sc^(3+)`, and `C1^(-)`, all have the same electron configuration: `1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)` |
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