Key term for OCR GCSE Chemistry A, used in Introducing chemical reactions.
A scientific model representing matter as tiny, discrete particles used to explain physical and chemical changes.
Particle model appears in OCR GCSE Chemistry A revision content for Chemical reactions, especially Introducing chemical reactions and Mass Changes in Reactions.
Chemical reactions
Introducing chemical reactions • Mass Changes in Reactions
Elements, compounds and mixtures
Bonding • Model Limitations
Particles
The particle model • Limitations of the Particle Model
Particles
The particle model • Features of the Particle Model
Particles
The particle model • Physical vs Chemical Changes
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