Chemistry · Structure of the Atom
Which of the following subatomic particles contribute directly to the mass number of an atom?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Protons only
- 2Electrons only
- 3Protons and Neutrons✓
- 4Electrons and Protons
Correct answer
Protons and Neutrons
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