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Physics · Oct / Nov 2017 · Paper 11 · Question 39

5054The nucleus

How does a nucleus of the isotope chlorine-37 differ from a nucleus of the isotope chlorine-35?

  1. AIt contains one more neutron and one more electron.
  2. BIt contains one more proton and one more electron.
  3. CIt contains two more neutrons.
  4. DIt contains two more protons.

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Correct answer: C. It contains two more neutrons.

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