1.

Assertion (A) : Ions of the same charge in a given series show progressive decrease in radius with increasing atomic number. Reason (R) : The new electron enters a d-orbital each time the nuclear charge increases by unity.

Answer»

Both Assertion (A) and REASON (R) are CORRECT statements, and Reason (R) is the correct explanation of the Assertion (A).
Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).
Assertion (A) is correct, but Reason (R) is incorrect STATEMENT.
Assertion (A) is incorrect, but Reason (R) is correct statement.

ANSWER :A


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