MCQ
The mass number of a nucleus is equal to:
- AThe number of neutrons in the nucleus.
- BThe number of protons in the nucleus.
- ✓The number of nucleons in the nucleus.
- DNone of them.
✓
Answer
Correct option: C.
The number of nucleons in the nucleus.
Mass number of a nucleus is defined as the sum of the number of neutron and protons present in the nucleus, i.e. the number of nucleons in the nucleus.
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