Atoms and isotopes

2 lessons in Atomic structure.

17 exam questions · 39 marks

4.1 The structure of the atom and isotopes The structure of the atom, the size of atoms and nuclei, atomic number, mass number, isotopes and ions, and how electrons move between energy levels when they absorb or emit radiation. AQA Edexcel OCR 8 questions 4.2 Developing the model of the atom How the model of the atom developed from the plum pudding model to the nuclear model, the alpha scattering experiment, Bohr's energy levels and the discovery of the neutron. AQA Edexcel OCR 9 questions