MCQ
Atomic mass number is same as _______.
- AAtomic number
- BMass number
- CFormula mass number
- DValency
✓
Answer
- Mass number
Explanation:
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. This is not the same as the atomic number (Z) which denotes the number of protons in a nucleus, and thus uniquely identifies an element.
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