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2.1.1 Development of the atomic model
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What is an atomic model?

What is an atomic model?

An atomic model is a scientific description of what an atom contains and how its parts are arranged. An atom is the smallest particle of an element that can exist, while a subatomic particle is a particle smaller than an atom, such as a proton, neutron or electron.

2.1.1 Development of the atomic model Lesson

  1. GCSE
  2. /Chemistry
  3. /2.1.1 Development of the atomic model

Step-by-step lessons on Edexcel GCSE Chemistry 2.1.1 Development of the atomic 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