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      Question

      You will see that the atomic radius decreases in moving

      from left to right along a period in the Periodic Table. The reason for this is-
      A Due to an increase in nuclear charge Correct Answer Incorrect Answer
      B Due to a decrease in nuclear charge Correct Answer Incorrect Answer
      C Due to addition of new shells. Correct Answer Incorrect Answer
      D Both A and C Correct Answer Incorrect Answer

      Solution

      The atomic radius decreases in moving from left to right along a period due to an increase in nuclear charge which tends to pull the electrons closer to the nucleus and reduces the size of the atom. Hence, option A is correct.

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