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Physics · May / June 2016 · Paper 11 · Question 40

5054The nucleus

Which statement about a nucleus of $^{15}_{7}\text{N}$ is correct?

  1. AThe nucleus contains 7 neutrons and 8 protons.
  2. BThe nucleus contains 7 neutrons and 15 protons.
  3. CThe nucleus contains 7 protons and 8 neutrons.
  4. DThe nucleus contains 7 protons and 15 neutrons.

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Correct answer: C. The nucleus contains 7 protons and 8 neutrons.

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