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Question 105

Across one period, which statement gives the general atomic-radius trend from left to right?

  1. It remains exactly constant.
  2. It generally decreases.Correct answer
  3. It changes with no broad direction.
  4. It generally increases.

Explanation

Atomic radius generally becomes smaller across a period from left to right as increasing nuclear attraction draws the occupied electron region inward. Assuming it grows merely because atomic number rises ignores this stronger attraction within the same shell level.

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Question 105: Across one period, which statement gives the general… · The Periodic Table and Elements · Questena