Scientists have used several different models of the atom.
Describe two differences between the plum pudding model and the nuclear model of the atom.
Explain why the model of the atom has been changed several times since atoms were first thought to be tiny spheres that could not be divided.
40 exam-style questions on AQA GCSE Physics 4.1 Atoms and isotopes, covering 4.1.1 The structure of an atom, 4.1.2 Mass number, atomic number and isotopes, and 4.1.3 The development of the model of the atom (common content with chemistry). Each one has a worked solution and a mark scheme showing where the marks go.