Question

Which one of the following is an example of a positive ion and negative ion that is isoelectronic with $F^{-}$?

• A. and or
• B. and or
• C. and or
• D. and or

Answer 1

The correct option is D

and or

$F^{-}$ ($10electrons$);

$O^{-2}$ ($10e^{-}$); $M{g}^{2+}$ ($10e^{-}$); $N{a}^{+}$ ($10e^{-}$)