Chemistry 9701 · AS & A Level · The Periodic Table: chemical periodicity

The Periodic Table: chemical periodicity — practice question

Which row gives the relative ionic radii of $\text{Na}^+$, $\text{Mg}^{2+}$ and $\text{S}^{2-}$?

  • Asmallest $\rightarrow$ largest: $\text{Na}^+$, $\text{Mg}^{2+}$, $\text{S}^{2-}$
  • Bsmallest $\rightarrow$ largest: $\text{Mg}^{2+}$, $\text{Na}^+$, $\text{S}^{2-}$
  • Csmallest $\rightarrow$ largest: $\text{S}^{2-}$, $\text{Na}^+$, $\text{Mg}^{2+}$
  • Dsmallest $\rightarrow$ largest: $\text{S}^{2-}$, $\text{Mg}^{2+}$, $\text{Na}^+$

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