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Deduce which of Na+ and Mg2+ is the smaller ion. Explain your answer.

mg2+ would be the smaller ion this is because each ion has the same number of electrons however mg2+ has a greater number of protons and therefore is more charge dense and the outer electrons feel a greater pull from the nucleus.

Answered by Michael C. • Chemistry tutor

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Deduce which of Na+ and Mg2+ is the smaller ion. Explain your answer.

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