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7.6 practical: investigate the penetration powers of different types of radiation using either radioactive sources or simulations
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7.7 describe the effects on the atomic and mass numbers of a nucleus of the emission of each of the four main types of radiation (alpha, beta, gamma and neutron radiation)
7.8 understand how to balance nuclear equations in terms of mass and charge
7.9 know that photographic film or a Geiger−Müller detector can detect ionising radiations