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

The Periodic Table: chemical periodicity — practice question

Which ion is the smallest in radius?

  • A$\text{Al}^{3+}$
  • B$\text{Ba}^{2+}$
  • C$\text{Mg}^{2+}$
  • D$\text{Na}^+$

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