O-LevelChemistryBonding & Structure5070/12 · Oct/Nov 2023 · Q261 Mark

Which diagram represents an alloy?

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ADiagram A: Regular lattice of identical spheres (simple cubic)

BDiagram B: Regular lattice of identical spheres (close-packed)

CDiagram C: Irregular network of spheres of varying sizes (covalent network)

DDiagram D: Regular lattice of larger spheres with smaller spheres interspersed (alloy)

✓ Correct answer

D: Diagram D: Regular lattice of larger spheres with smaller spheres interspersed (alloy)

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2023 Paper 1 Variant 2, question 26.

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