MCQ
Consider the isoelectronic species, $ {Na}^{+}, {Mg}^{2+}, {F}^{-}$and ${O}^{2-}$. The correct order of increasing length of their radii is _____________.
- A$\text{F}^{-}<\text{O}^{2-}<\text{mg}^{2+}<\text{Na}^{+}$
- ✓$\text{Mg}^{2+}<\text{Na}^{+}<\text{F}^{-}<\text{O}^{2-}$
- C$\text{O}^{2-}<\text{F}^{-}<\text{Na}^{+}<\text{mg}^{2+}$
- D$\text{O}^{2-}<\text{F}^{-}<\text{Mg}^{2+}<\text{Na}^{+}$
