A-LevelPhysicsNuclear physics9702/12 · Oct/Nov 2020 · Q391 Mark
What is a conclusion from the alpha-particle scattering experiment?
AProtons and electrons have equal but opposite charges.
BProtons have a much larger mass than electrons.
CThe nucleus contains most of the mass of the atom.
DThe nucleus of an atom contains protons and neutrons.
✓ Correct answer
C: The nucleus contains most of the mass of the atom.
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