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Physics · May / June 2016 · Paper 12 · Question 40

5054The nucleus

The diagrams represent the nuclei of three atoms. [Diagrams of nuclei P, Q and R with key: filled circle = proton, open circle = neutron] Which are isotopes of the same element?

  1. AP and Q only
  2. BP and R only
  3. CQ and R only
  4. DP, Q and R

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Correct answer: B. P and R only

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