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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEC
Chapter: Classification of Elements and Periodicity in Properties

Olympiad workbook · NSEC · Classification of Elements and Periodicity in Properties

N^ 3- , F^ - , Na^ + and Mg^ 2+ have the same number of electrons....

\mathrm{N}^{3-}, \mathrm{F}^{-}, \mathrm{Na}^{+}

and

\mathrm{Mg}^{2+}

have the same number of electrons. Which of them will have the smallest and the largest ionic radii respectively?

Options

A $\mathrm{Mg}^{2+}$ and $\mathrm{N}^{3-}$
B $\mathrm{Mg}^{2+}$ and $\mathrm{Na}^{+}$
C $\mathrm{N}^{3-}$ and $\mathrm{Na}^{+}$
D $\mathrm{F}^{-}$ and $\mathrm{N}^{3-}$

Correct answer

A. $\mathrm{Mg}^{2+}$ and $\mathrm{N}^{3-}$

Step-by-step solution

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