Chemistry 9701 · AS & A Level · 2.1

2.1 — practice question

The table shows the 5th to the 10th ionisation energies of three elements from Period 3 of the Periodic Table. Which three elements are they?

  • Aelement X = Na, element Y = Mg, element Z = Al
  • Belement X = Mg, element Y = Al, element Z = Si
  • Celement X = P, element Y = S, element Z = Cl
  • Delement X = S, element Y = Cl, element Z = Ar

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