2.2.1

States of Matter

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States of Matter

Substances can exist in 3 different states of matter.

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Solid

  • In solids, particles are very close together and vibrate in a fixed position.
  • Solids have a fixed shape and volume.
  • When heated, the particles vibrate more intensely.
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Liquid

  • In liquids, particles are very close together but they move and flow randomly past one another.
  • Liquids have a fixed volume but can change shape and fill a container.
  • When heated, the average speed of particles increases.
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Gas

  • In gases, particles are far apart and move randomly in all directions.
  • Gases change shape and volume to fill whatever container they are in.
  • When heated, the average speed of particles increases.

Jump to other topics

1Atomic Structure

2Chemical Bonding

3Quantitative Chemistry

4Chemical Changes

5Energy Changes

6The Rate & Extent of Chemical Change

7Organic Chemistry

8Chemical Analysis

9Chemistry of the Atmosphere

10Using Resources

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