Which row describes the arrangement and the motion of the particles in a solid?
| Arrangement | Motion | |
|---|---|---|
| A | tightly packed in a regular lattice | vibrate about fixed positions |
| B | tightly packed in a regular lattice | move freely around each other |
| C | far apart, randomly arranged | vibrate about fixed positions |
| D | far apart, randomly arranged | move freely around each other |
A
B
C
D
151 exam-style questions on CIE IGCSE Physics 2.1.2a Particle structure and motion in solids, liquids and gases. Each one has a worked solution and a mark scheme showing where the marks go.