JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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Outermost configuration of most electronegative element of the periodic table is

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Correct option: B

2{s^2}2{p^5}

Option B is correct because Fluorine is the most electronegative element, and its outermost electronic configuration is

2s^22p^5

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\mathrm{O}, \mathrm{O}^{2-}, \mathrm{F}

\mathrm{F}^{-}