1.

Note: Read the assertion and reason carefully and then mark the correct option out of the options given below: Assertion (A) : Atomic size increases down the group in the Periodic Table. Reason (R ) : New shells are being added as we go down the group.

Answer»

Both (A) and (R) are TRUE and (R ) is correct explanation of the assertion.
Both (A) and (R ) are true but (R ) is explanation of the assertion.
(A) is true but (R ) is FALSE.
(A) is false but (R ) is true.

Answer :A


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