MCQ
he atomic number is identical to the amount of $ ........ $ in the atom nucleus.
- ✓Protons
- BNeutrons
- CBoth $a$ and $b$
- DNone of above
✓
Answer
Correct option: A.
Protons
The element number is identical to the amount of protons in the atom nucleus. The amount of neutrons of an element varies, two atoms with the same amount of protons and neutrons are of the same isotope.
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