Rank the ions Al , Mg

CHEMISTRY · Single correct · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties

Problem

Rank the ions Al

^{3+}

, Mg

^{2+}

, and Na

^{+}

from smallest to largest ionic radius. (a)

\text{Na}^{+} < \text{Mg}^{2+} < \text{Al}^{3+}

(b)

\text{Al}^{3+} < \text{Na}^{+} < \text{Mg}^{2+}

(c)

\text{Al}^{3+} < \text{Mg}^{2+} < \text{Na}^{+}

(d)

\text{Mg}^{2+} < \text{Al}^{3+} < \text{Na}^{+}

Related theory

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