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Chemistry · Oct / Nov 2017 · Paper 11 · Question 6

5070Isotopes

A particle of an isotope of sulfur contains 18 neutrons and 18 electrons. What is the symbol for this particle?

  1. A$^{34}_{16}\text{S}^{2+}$
  2. B$^{34}_{16}\text{S}$
  3. C$^{34}_{16}\text{S}^{2-}$
  4. D$^{36}_{16}\text{S}$

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Correct answer: C. $^{34}_{16}\text{S}^{2-}$

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