O-LevelChemistryBonding & Structure5070/12 · May/June 2023 · Q11 Mark

A sample of iodine is at room temperature and pressure. Which statement about the particles in the sample is correct?

AThe particles are arranged in a giant lattice.

BThe particles have zero kinetic energy.

CThe particles move randomly through the solid.

DThe particles vibrate about a fixed point.

✓ Correct answer

D: The particles vibrate about a fixed point.

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

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