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Chemistry · Oct / Nov 2018 · Paper 11 · Question 5

5070Atomic structure and the Periodic Table

Which row shows the numbers of particles in $^{34}_{16}\text{S}^{2-}$ ?

  1. Aprotons 16, neutrons 16, electrons 16
  2. Bprotons 16, neutrons 18, electrons 18
  3. Cprotons 18, neutrons 16, electrons 20
  4. Dprotons 20, neutrons 14, electrons 22

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Correct answer: B. protons 16, neutrons 18, electrons 18

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