Skip to content
MathsGenie logo
Open app

Course home

x

What the particle model says

What the particle model says

Particle model of solids, liquids, and gases with labelled state changes The particle model treats matter as tiny particles. Chemists use it because atoms, molecules, and ions are far too small to see directly.

The particle model Lesson

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

Step-by-step lessons covering OCR GCSE Chemistry The particle model for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 (Foundation Tier) or Paper 3 and Paper 4 (Higher Tier) format. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.

Lessons