From thefollowingwhichsetsofionsisisoelectronic ?

1.	From thefollowingwhichsetsofionsisisoelectronic ?
Answer» `K^(+) ,CI^(-) ,Ca^(2) ,Sc^(3)` `BA^(+2),Sr^(2),K^(+)s^(-2)` `N^(-3)O^(-2)F^(-) S^(-2)` `Li^(+),NA^(+),Mg^(-2),Ca^(+2)` Answer :A

Discussion