Question

How do sizes vary in isoelectronic species?

Answer 1

The solution is as follows:

The size variations in isoelectronic species is as follows:

$$\begin{gathered} {N_3}^{-}>{O_2}^{-}>F^{-}>Ne>N{a}^{+}>M{g}^{2+}>A{l}^{3+} \\ Allhave10electronsinthem.Butasmoreisthenegativecharge,moreisthesize. \end{gathered}$$