Question

a) Both A and R are true, and R is correct explanation of the assertion.

b) Both A and R are true, but R is not the correct explanation of the assertion.

c) A is true, but R is false.

d) A is false, but R is true.
Assertion: Alkali metals have Largest size in a period.
Reason: They are at the extreme right of the periodic table​

Answer 1

Answer:

D is the right answer

Explanation:

In a period, noble gases have largest atomic size and alkali metals have second largest atomic size. In a period, on moving from left to right, the atomic size decreases.

They are at the extreme left of the periodic table. Group 1 Elements

Assertion is false, but Reason is correct

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