Chemistry

Chemistry

Problem

All four species O

^{2-}

, F

^{-}

, Na

^{+}

, and Mg

^{2+}

are isoelectronic (each has 10 electrons). Which of the following lists these species in order of increasing ionic radius? a) Na

^{+}

< Mg

^{2+}

< F

^{-}

< O

^{2-}

b) F

^{-}

< O

^{2-}

< Na

^{+}

< Mg

^{2+}

c) Mg

^{2+}

< Na

^{+}

< F

^{-}

< O

^{2-}

d) O

^{2-}

< F

^{-}

< Na

^{+}

< Mg

^{2+}

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