Chemistry 0620 · IGCSE · Ions and ionic bonds

Ions and ionic bonds — practice question

There are four ions shown below. $\text{N}^{3-} \quad \text{Al}^{3+} \quad \text{Li}^+ \quad \text{Cl}^-$ Which two ions have the same electronic configuration?

  • A$\text{N}^{3-}$ and $\text{Li}^+$
  • B$\text{Al}^{3+}$ and $\text{N}^{3-}$
  • C$\text{Cl}^-$ and $\text{Al}^{3+}$
  • D$\text{Li}^+$ and $\text{Cl}^-$

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