States of matter

Topics

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Sample objectives

What this unit covers

• Solids, liquids and gases: Identify the key characteristics that differentiate solids, liquids, and gases.
• Solids, liquids and gases: Explain how the arrangement, separation, and movement of particles define the structures of solids, liquids, and gases.
• Diffusion: Explain diffusion using the principles of kinetic particle theory.
• Diffusion: Discuss how the rate of gas diffusion is influenced by the relative molecular mass of the gases.