MCQ
Mass number is also called as $ .........$
- AWeight
- BMolecular weight
- CBoth $A$ and $B$
- ✓Atomic mass number
✓
Answer
Correct option: D.
Atomic mass number
The mass number $(A),$ also called atomic mass number or nucleon number, is the total number of protons and neutrons $($together known as nucleons$)$ in an atomic nucleus. It determines the atomic mass of atoms.
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