Which of the following correctly describes the spacing and movement of particles in a gas?
Spacing: close together; Movement: vibrate about fixed positions
Spacing: close together; Movement: move rapidly in all directions
Spacing: far apart; Movement: vibrate about fixed positions
Spacing: far apart; Movement: move rapidly in all directions
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.