O-LevelChemistryMetals & Reactivity5070/11 · Oct/Nov 2025 · Q201 Mark

Part of the Periodic Table is shown. W, X, Y and Z are not the correct symbols of the elements. Which statement is correct?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

AThe compound formed between X and W has covalent bonds.

BW and Y are both gases at r.t.p. that contain covalent bonds.

CX and Y react together more vigorously than Z and Y at r.t.p.

DX and Z both have two outer-shell electrons.

✓ Correct answer

B: W and Y are both gases at r.t.p. that contain covalent bonds.

Oracle Prep sorts past-paper questions by topic, so you can drill Metals & Reactivity and see which topics are most likely to come up next.

Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2025 Paper 1 Variant 1, question 20.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content