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Chemistry · Oct / Nov 2024 · Paper 11 · Question 8

5070Isotopes

The table gives some information about barium and chlorine. | | relative atomic mass | group in Periodic Table | |---|---|---| | barium | 137 | II | | chlorine | 35.5 | VII | Using this information only, a student makes three statements. 1 There is more than one isotope of chlorine. 2 There may be more than one isotope of barium. 3 The relative formula mass of barium chloride is 208. Which statements are correct?

  1. A1, 2 and 3
  2. B1 and 3 only
  3. C2 and 3 only
  4. D3 only

As printed in the paper

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Correct answer: A. 1, 2 and 3

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