C1.1 The Particle Model
- Created by: Jadeprigtale
- Created on: 11-11-18 12:48
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- C1.1 The Particle Model
- Physical Changes
- Easy to reverse
- No new substances are formed
- Particle arrangement changes
- Chemical Change
- Difficult / impossible to reverse
- New substances are formed
- Particles break up and then join together in different ways
- Describes how particles are arranged and how they move
- Gas
- Move quickly in all directions
- Liquid
- Move around eachother
- Solid
- Vibrate around fixed points
- Gas
- You cannot compress a solid
- This is because there is no space for the particles to move to
- Solid substances have fixed shapes and cannot flow
- This is because particles vibrate around fixed positions and cannot move from place to place
- Physical Changes
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