Home Chemistry Classification of Elements and Periodicity Electron Affinity The electronegativity values of C, N, O and …
Chemistry Classification of Elements and Periodicity Electron Affinity Single Correct MCQ
Published on: August 14, 2026

The electronegativity values of C, N, O and F on Pauling scale:

A
decrease from carbon to fluorine.
B
increase from carbon to fluorine.
C
increase upto oxygen and then decrease upto fluorine.
D
decrease from carbon to nitrogen and then increase continuously.

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Verified by Experts
The correct answer is:
B

As size of atom decreases across the period, the attraction between the nucleus and shared pair of electrons increases. So, electronegativity increases across the period.

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