Chemistry · Atomic Structure
What is the reason for the difference in the atomic mass of different isotopes of an element?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Different number of protons in their nucleus
- 2Different number of neutrons in their nucleus✓
- 3Different number of electrons in their nucleus
- 4Different number of valence electrons
Correct answer
Different number of neutrons in their nucleus
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