Chemistry · May / June 2023 · Paper 12 · Question 1
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.
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Correct answer: D. The particles vibrate about a fixed point.
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