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The particle model

The particle model

Particle model diagrams showing closely packed regular particles in a solid, touching randomly arranged particles in a liquid, and widely separated randomly moving particles in a gas.

The particle model represents all matter as tiny particles such as atoms, molecules or ions.

1.1 The particle model Lesson

  1. GCSE
  2. /Chemistry
  3. /1.1 The particle model

Step-by-step lessons on OCR GCSE Chemistry 1.1 The particle model, covering 1.1.1 The particle model and changes of state and 1.1.2 Limitations of the particle model. Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.

Lessons