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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:
2

Number of electronic , protons and neutrons in carbon are equal , that is 6. the mass number of carbon is 12.
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