May/June 2026 Paper 13

2026 · 40 questions · 40 parts · 40 marks

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16Period 3 Elements Oxides ChloridesHard1 mark
Elements W, X, Y and Z are different elements in Period 3 of the Periodic Table.
Four statements about W, X, Y and Z are given.
  1. 1
    X has the greatest electronegativity value of the four elements.
  2. 2
    W reacts with X to produce a liquid at room temperature that reacts with water to form an acidic solution.
  3. 3
    Z reacts with water to form an alkaline solution.
  4. 4
    The oxide of Y will react with the solutions formed in statements 2 and 3.
What is the correct order of these elements in order of increasing atomic radius?