Across the period the size of an atom decreases and effective nuclear charge

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asked Jun 2, 2022 19.9k views

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Bidby · Answer 1 · 2022-06-08T12:31:39+0000

Answer:

Atomic radius decreases across a period and increases down a group. Across a period, effective nuclear charge increases as electron shielding remains constant. Down a group, the number of energy levels (n) increases, so there is a greater distance between the nucleus and the outermost orbital.

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Across the period the size of an atom decreases and effective nuclear charge

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Across the period the size of an atom decreases and effective nuclear charge