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A Useful but Simplified Model

A Useful but Simplified Model

The particle model represents matter as tiny, identical solid spheres. Their arrangement, spacing and movement help explain the properties of solids, liquids and gases. During boiling, the same molecules remain present, but they become much farther apart as the substance changes from liquid to steam.

1.1.2 Limitations of the particle model Lesson

  1. GCSE
  2. /Chemistry
  3. /1.1.2 Limitations of the particle model

Step-by-step lessons on OCR GCSE Chemistry 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