1. Gases consist of many particles that are spread apart relative to their __**size**__
2. Collisions between particles and the walls of the container are __**elastic**__
3. Gas particles are in continuous, rapid, random motion and therefore have __**kinetic energy**__
4. There are __**NO forces of attraction or repulsion**__ between gas particles
5. The average amount of kinetic energy depends on the __**temperature**__ of the gas