Which in each has higher electron affinity?

$\mathrm{F}$ or ${\mathrm{Cl}}^{-}$.

Which in each has higher electron affinity?

$\mathrm{O}$ or ${\mathrm{O}}^{-}$.

Which in each has higher electron affinity?

${\mathrm{Na}}^{+}$ or $\mathrm{F}$.

Which in each has higher electron affinity?

$\mathrm{F}$ or ${\mathrm{F}}^{-}$.

Arrange the following in order of increasing ionic radius.

${\mathrm{Cl}}^{-}, {\mathrm{P}}^{-3}, {\mathrm{S}}^{-2}, {\mathrm{F}}^{-}$.

Arrange the following in order of increasing ionic radius.

${\mathrm{Al}}^{+3}, {\mathrm{Mg}}^{+2}, {\mathrm{Na}}^{+}, {\mathrm{O}}^{-2}, {\mathrm{F}}^{-}$.

Arrange the following in order of increasing ionic radius.

${\mathrm{Na}}^{+}, {\mathrm{Mg}}^{+2}, {\mathrm{K}}^{+}$.