Key term for OCR GCSE Chemistry B, used in Development of scientific theory.
A simplified conceptual model that represents all particles as small, solid, inelastic spheres to explain physical properties and changes of state.
Particle model appears in OCR GCSE Chemistry B revision content for Ideas about Science, especially Development of scientific theory and Use of models.
Ideas about Science
Development of scientific theory • Use of models
Chemical analysis
Stoichiometry calculations • Mass changes in non-enclosed systems
Air and water
Atmospheric changes over time • Limitations of the particle model
Air and water
Atmospheric changes over time • Predicting states
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