At room temperature, copper is difficult to compress.
At the same temperature, helium is much easier to compress.
Which comparison of the particles in copper and the particles in helium explains this?
The copper particles are closer together.
The copper particles have a greater mass.
The copper particles are better electrical conductors.
The copper particles have less average kinetic energy.
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.