Which one of the following sets of ions represents the collection of isoelectronic species?A. `K^(+), Cr, Mg^(2+), Sc^(3+)`B. `Na^(+), Ca^(2+), Sc^(3+), F^(-)`C. `K^(+), Ca^(2+), Sc^(3+), CI^(-)`D. `Na^(+), Mg^(2+), AI^(3+), CI^(-)`

Which one of the following sets of ions represents the collection of i

1.	Which one of the following sets of ions represents the collection of isoelectronic species?A. `K^(+), Cr, Mg^(2+), Sc^(3+)`B. `Na^(+), Ca^(2+), Sc^(3+), F^(-)`C. `K^(+), Ca^(2+), Sc^(3+), CI^(-)`D. `Na^(+), Mg^(2+), AI^(3+), CI^(-)`
Answer» Correct Answer - C Which one of the following ……….. Atomic number of K, Ca, Sc and CI are 19, 20, 21 and 17 respectively. `K^(+) = 18e, Ca^(2+) = 18e, Sc^(3+)= 18e, Cr = 18e`

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Which one of the following sets of ions represents the collection of isoelectronic species?A. `K^(+), Cr, Mg^(2+), Sc^(3+)`B. `Na^(+), Ca^(2+), Sc^(3+), F^(-)`C. `K^(+), Ca^(2+), Sc^(3+), CI^(-)`D. `Na^(+), Mg^(2+), AI^(3+), CI^(-)`

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