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GCSE Exam GCSE Trilogy Physics
6.4.1.1 The structure of an atom
6.4.1.2 Mass number, atomic number and isotopes
6.4.1.3 The development of the model of the atom
6.4.2.1 Radioactive decay and nuclear radiation
6.4.2.2 Nuclear equations
6.4.2.3 Half-lives and the random nature of radioactive decay
6.4.2.4 Radioactive contamination