MCQ
The atomic weight of an atom is because of:
- AElectrons and protons.
- BElectrons and neutrons.
- CNeutrons and protons.
- DElectrons, neutrons and protons.
✓
Answer
- Neutrons and protons.
Explanation:
Atomic weight depends upon mass number, which is equal to sum of, number of protons and neutrons.
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