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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

Which of the following accounts best for the fact that F^ - is...

Which of the following accounts best for the fact that

\mathrm{F}^{-}

is smaller than

\mathrm{O}^{2-}

?

Options

A $\mathrm{F}^{-}$ has a larger nuclear mass than $\mathrm{O}^{2-}$
B $\mathrm{F}^{-}$ has a larger nuclear charge than $\mathrm{O}^{2-}$
C $\mathrm{F}^{-}$ is more polarizable than $\mathrm{O}^{2-}$
DF is more electronegative than O

Correct answer

B. $\mathrm{F}^{-}$ has a larger nuclear charge than $\mathrm{O}^{2-}$

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