Question

Assertion (A): Atomic mass of potassium is 39.
Reason (R ): An atom of postassium is 39 times heavier than `1//2th` of the mass of carbon atom `(C^(12))`.
A. If both (A) and (R ) are correct and (R ) is the correct explantion for (A)
B. If both (A) and (R ) are correct but (R ) is not the correct explantion for (A)
C. If (A) is correct but (R ) is incorrect.
D. If (A) and (R ) are incorrect.

Answer 1

Correct Answer - A
Factual statement.