The three states of matter
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The particle model

The particle model

Particle model comparing solids, liquids and gases with arrows for melting, freezing, boiling and condensing A state of matter is the physical form of a substance: solid, liquid or gas. In the simple particle model, substances are shown as tiny particles, which may represent atoms, molecules or ions.

The three states of matter Lesson

  1. GCSE
  2. /Chemistry
  3. /The three states of matter