MHT CET 2026 Chemistry question

Chemistry Classification of Elements and Periodicity in Properties MHT CET 2026

What happens to the size of atoms in p-block elements when we move from left to right in the same period?

(A)Size does not change
(B)Size increases then decreases
(C)Size increases
(D)Size decreasesCorrect

Answer: (D)

Solution

Moving left to right across a period, electrons are added to the same valence shell while the nuclear charge (atomic number) increases by one each time. The increased effective nuclear charge pulls the outer electrons closer to the nucleus, and shielding

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Question ID VK-098633