Almost everything is made of particles. Particles can be atoms, molecules or ions. Particles behave differently in solids, liquids and gases. The particle model explains the differences between ...

Almost everything is made of particles. Particles can be atoms, molecules or ions. Particles behave differently in solids, liquids and gases. The particle model explains the differences between ...

Molecules in a gas are more widely dispersed, freely moving around without obstructing one another. In a liquid, however, they rub up against each other, and in a solid they are so packed together ...