Assertion (A) : Second period consists of 8 elements.
Reason (R) : Second period is long period in the periodic table

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

A is incorrect and R is correct.

A is correct and R is incorrect.

Both A and R are correct and R is correct explanation of A.

answer is C.

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Detailed Solution

The second period contains 8 elements, they are lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, and neon. Sixth period is the longest period in the periodic table with 32 elements.

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