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Chemistry · May / June 2017 · Paper 11 · Question 23

5070Group VII properties

The table shows the proton numbers of four elements. element: Q, R, T, Z proton number: 9, 11, 17, 19 Which statement is correct?

  1. AQ is a metal.
  2. BQ is more reactive than T.
  3. CR is more reactive than Z.
  4. DT and Z are in the same period.

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Correct answer: B. Q is more reactive than T.

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