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

Every CAIE A-Level Chemistry exam question on 9.2 Periodicity of chemical 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. June 2024 Paper 1, question 16: Elements Y and Z are both in Period 3 of the Periodic Table. When the chloride of element Y is added to water, it reacts and a solution of pH 2 is produced. Whe
  2. June 2024 Paper 1, question 17: Aluminium, silicon and phosphorus are elements in Period 3 of the Periodic Table. Each element forms an oxide. Which row is correct? Al 2O3 SiO2 P4O10 A basic a
  3. Q2(a)(i)

    June 2024 · Paper 2

    The whole paper ↗
    June 2024 Paper 2, question 2(a)(i): Identify the type of reaction that occurs when SCl 2 is added to water. [1]
  4. Q2(a)(ii)

    June 2024 · Paper 2

    The whole paper ↗
    June 2024 Paper 2, question 2(a)(ii): Name a chloride of a different Period 3 element that is also a liquid at room temperature and produces misty fumes when added to water. [1]
All 4 questions on Periodicity of chemical properties of the elements in Period 3, as a list
  1. June 2024, Paper 1, Q16 (1 mark): Elements Y and Z are both in Period 3 of the Periodic Table. When the chloride of element Y is added to water, it reacts and a solution of pH 2 is produced. Whe
  2. June 2024, Paper 1, Q17 (1 mark): Aluminium, silicon and phosphorus are elements in Period 3 of the Periodic Table. Each element forms an oxide. Which row is correct? Al 2O3 SiO2 P4O10 A basic a
  3. June 2024, Paper 2, Q2(a)(i) (1 mark): Identify the type of reaction that occurs when SCl 2 is added to water. [1]
  4. June 2024, Paper 2, Q2(a)(ii) (1 mark): Name a chloride of a different Period 3 element that is also a liquid at room temperature and produces misty fumes when added to water. [1]

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