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Assertion (A) : Mass number of a carbon ...

Assertion (A) : Mass number of a carbon is 12.
Reason ( R) : Carbon possesses equal number of all three fundamental particles.

A

Both A and R are true and R is the correct explanation for A.

B

Both A and R are true but R is not the correct explanation for A.

C

A is true and R is false.

D

A is false and R is true.

Text Solution

Verified by Experts

The correct Answer is:
b
Number of electrons, protons and neutrons in carbon is equal, i.e., 6. The mass number of carbon is 12.
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