Question

Assertion : Fluorine has greater atomic radius than nitrogen.

Reason : Atomic radius decreases along a period.



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

(B) Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

(C) Assertion is true and Reason is false.

(D) Assertion is false and reason is true.

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Answer 1

both a and r are correct but r is not correct explanation of a

Answer 2

Answer:

Assertion is false and reason is true

Explanation :

In the periodic table, the atomic radius decreases from left to right.

The number of protons (the number of electrons and the atomic number) is increasing from left to right.

However, the effective nuclear charge increases as the screening effect are not proper.