Classification of Elements and Periodicity in Properties: RE-NEET 2026

Easy· Periodic Properties (Ionization Energy (Enthalpy))· +4 / −1

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The first ionization enthalpy of O is lower than that of N and F. Reason R: The loss of an electron from O leads to stable half-filled

p

orbital In light of the above statements, choose the most appropriate answer from the options given below:

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Classification of Elements and Periodicity in Properties: RE-NEET 2026

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