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Note: Read the assertion and reason care...

Note: Read the assertion and reason carefully and then mark the correct option out of the options given below:
Assertion (A) : Moseley showed that atomic number is a more fundamental property than atomic mass.
Reason (R) : Atoms of the same element having the same atomic number but different atomic masses are called isotopes.

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 explanation of the assertion.

C

(A) is true but (R ) is false.

D

(A) is false but (R ) is true.

Text Solution

Verified by Experts

The correct Answer is:
B
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