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Physics (AS & A Level) · May / June 2026 · Paper 14 · Question 38

9702Atoms, nuclei and radiation

Which conclusion about the nucleus of an atom is not a result of observations from the α-particle scattering experiment?

  1. AThe diameter of the nucleus is very small compared to the diameter of the atom.
  2. BThe majority of the mass of the atom is concentrated in the nucleus.
  3. CThe nucleus of the atom contains protons and neutrons.
  4. DThe nucleus of the atom is charged.

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Correct answer: C. The nucleus of the atom contains protons and neutrons.

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