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  1. GCSE
  3. Chemistry Edexcel
  5. 2.1.1 Development of the atomic model

2.1.1 Development of the atomic model

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Revise Edexcel GCSE Chemistry 2.1.1 Development of the atomic model with the question bank, lessons, revision guides, and flashcards.

1.1 Describe how the Dalton model of an atom has changed over time because of the discovery of subatomic particles.

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