Three samples of wax, P, Q and R, are each in a different state.
In sample P, the particles are touching and arranged in a regular pattern.
In sample Q, the particles are touching and arranged randomly.
In sample R, the particles are far apart and arranged randomly.
Which option lists the samples in order of density, from lowest to highest?
R, Q, P
P, Q, R
Q, R, P
R, P, Q
44 exam-style questions on OCR GCSE Physics 1.1 The particle model, covering 1.1.1 Development of the atomic model, 1.1.2 Structure of the atom, 1.1.3 The size of atoms and small molecules, 1.1.4 Density, 1.1.5 Density and the states of matter, and 1.1.6 Density, mass and volume. Each one has a worked solution and a mark scheme showing where the marks go.