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Assertion (A): Atomic radius tends to de...

Assertion (A): Atomic radius tends to decrease across a period.
Reason (R): As we move from left to right along a period, the valence electrons are added to the same shell, nuclear charge increases and atomic radius decreases.

A

Both (A) and (R) are correct and (R) is the correct explanation of (A).

B

Both (A) and (R) are correct but (R) is not the correct explanation of (A).

C

(A) is correct but (R) is wrong.

D

(A) is wrong but (R) is correct.

Text Solution

Verified by Experts

The correct Answer is:
a
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