MCQ
The atomic number of an element is determined by :
- AThe number of electrons in one atom.
- BThe number of neutrons in one atom.
- CThe valency of the element.
- ✓The number of protons in one atom.
✓
Answer
Correct option: D.
The number of protons in one atom.
Atomic number is the number of protons in the nucleus of an atom and also the total positive charge in the atomic nucleus.
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