JEE Main Chemistry question

In the periodic table, from left to right in a period, the atomic volume:

(A)Decreases
(B)Increases
(C)Remains same
(D)First decreasesCorrect

Answer: (D)

Solution

Across a period, atomic volume first decreases (due to increasing effective nuclear charge pulling electrons in more tightly as electrons are added to the same shell) and

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Question ID VK-133866