Chemistry - PERIODIC TABLE Question with Solution | TestHub

The statement(s) that are correct about the species ${\mathrm{O}}^{2-},{\mathrm{F}}^{-},{\mathrm{Na}}^{+}$and ${\mathrm{Mg}}^{2+}$. (A) All are isoelectronic (B) All have the same nuclear charge (C) ${\mathrm{O}}^{2-}$ has the largest ionic radii (D) ${\mathrm{Mg}}^{2+}$ has the smallest ionic radii Choose the most appropriate answer from the options given below :