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Physics (AS & A Level) · Oct / Nov 2020 · Paper 11 · Question 38

9702Atoms, nuclei and radiation

Which statement about two nuclei that are isotopes of the same element is correct?

  1. AThe nuclei each have the same acceleration when in the same uniform electric field.
  2. BThe nuclei each have the same number of neutrons.
  3. CThe nuclei each have the same number of nucleons.
  4. DUncharged atoms containing the nuclei each have the same number of electrons.

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Correct answer: D. Uncharged atoms containing the nuclei each have the same number of electrons.

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