Topic 2 - Particle Theory

1. Students should be able to describe and draw the arrangement and behaviour of the particles in solids, liquids and gases.

2. Students should be able to explain the properties of the solids, liquids and gases.

3. Explain the concept of gas pressure using the particle model.

1. Explain temperature variations during changes of state using particle theory.

1. Understand the particle model for gases.

2. Explain the concept of diffusion in terms of the particle theory

3.Understand that particles diffuse/move at different rates depending on their size.

1. Understand that a pure substance contains only one type of particle.

2. Explain the concept of dissolving in terms of the particle theory and understand conservation of mass

3. Understand the term saturated in relation to solutions

4. Understand how solubility changes with changing temperature and how a solubility curve can be used to explain how many crystals form when saturated solutions are cooled down.