1. States of Matter


 

CIE IGCSE Chemistry 

Cambridge Chapter 1





Where to go from here 

CIE IGCSE Chemistry 

Cambridge Chapter 1






IGCSE 0620 All Chapters








Solid: particles close together, regular pattern, vibrate on spot. Liquid: particles close together, random, move around each other. Gas: particles far apart, random arrangement, move quickly.

The table below summarizes the arrangement and movement of the particles in solids, liquids and gases, and shows simple diagrams for the arrangement of the particles.
States of matter
The kinetic particle theory explains the properties of the different states of matter. The particles in solids, liquids and gases have different amounts of energy. They are arranged differently and move in different ways.





Solids

The table shows some of the properties of solids and why they are like this.

Property

Why

Solids have a fixed shape and cannot flow

The particles cannot move from place to place

Solids cannot be compressed or squashed

The particles are close together and have no space to move into

Liquids


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