At room temperature, a solid block of copper is extremely difficult to compress. At the same temperature, nitrogen gas is very easy to compress.
Which comparison of the particles in copper and the particles in nitrogen explains this difference?
The copper particles are much closer together.
The copper particles have a greater mass.
The copper particles have a higher average kinetic energy.
The copper particles are free to move throughout the container.
321 exam-style questions on CIE IGCSE Physics 2.1 Kinetic particle model of matter, covering 2.1.1 States of matter and changes of state, 2.1.2a Particle structure and motion in solids, liquids and gases, 2.1.2b Gas pressure and particle collisions, 2.1.2c Brownian motion, 2.1.3a The absolute scale of temperature, and 2.1.3b Pressure, volume and temperature of a gas. Each one has a worked solution and a mark scheme showing where the marks go.