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Periodicity of physical properties of the elements in Period 3: CAIE A‑Level Chemistry questions

Every CAIE A-Level Chemistry exam question on 9.1 Periodicity of physical properties of the elements in Period 3, June 2024 and the specimen papers, with its mark scheme and examiner’s report.

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312 questions

  1. Q18

    June 2024 · Paper 1

    1 mark9.1 Periodicity of physical properties of the elements in Period 3
    The whole paper ↗
    June 2024 Paper 1, question 18: Which statement is correct? A The atomic radius of silicon is larger than that of aluminium. B The boiling point of chlorine is higher than that of silicon. C T

  2. Q17

    Specimen · Paper 1

    1 mark9.1 Periodicity of physical properties of the elements in Period 3
    The whole paper ↗
    Specimen Paper 1, question 17: Which graph correctly shows the relative melting points of the elements Mg, Al, Si and P plotted against their relative electronegativities? A B Si Al melting p

  3. Q23

    Specimen · Paper 1

    1 mark9.1 Periodicity of physical properties of the elements in Period 3
    The whole paper ↗
    Specimen Paper 1, question 23: Which statements describe a trend in Period 3 between every pair of adjacent elements from sodium to chlorine? A The atomic radius decreases. B The first ionisa

  4. Q1(c)(i)

    Specimen · Paper 2

    1 mark9.1 Periodicity of physical properties of the elements in Period 3
    The whole paper ↗
    Specimen Paper 2, question 1(c)(i): On Fig. 1.3, sketch a graph to show the trend in the atomic radius of successive elements in Period 3. atomic radius of the element atomic number Fig. 1.3 [1]

  5. Q1(c)(ii)

    Specimen · Paper 2

    3 marks9.1 Periodicity of physical properties of the elements in Period 3
    The whole paper ↗
    Specimen Paper 2, question 1(c)(ii): Explain your answer to (c)(i). [3] [Total: 12]
All 5 questions on Periodicity of physical properties of the elements in Period 3, as a list
  1. June 2024, Paper 1, Q18 (1 mark): Which statement is correct? A The atomic radius of silicon is larger than that of aluminium. B The boiling point of chlorine is higher than that of silicon. C T
  2. Specimen, Paper 1, Q17 (1 mark): Which graph correctly shows the relative melting points of the elements Mg, Al, Si and P plotted against their relative electronegativities? A B Si Al melting p
  3. Specimen, Paper 1, Q23 (1 mark): Which statements describe a trend in Period 3 between every pair of adjacent elements from sodium to chlorine? A The atomic radius decreases. B The first ionisa
  4. Specimen, Paper 2, Q1(c)(i) (1 mark): On Fig. 1.3, sketch a graph to show the trend in the atomic radius of successive elements in Period 3. atomic radius of the element atomic number Fig. 1.3 [1]
  5. Specimen, Paper 2, Q1(c)(ii) (3 marks): Explain your answer to (c)(i). [3] [Total: 12]

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