Elements, Compounds and Mixtures: Atoms, Formulae and Separating

Everything around us is made of atoms. This KS3 chemistry course explains Dalton’s atomic model, the differences between atoms, elements, compounds and mixtures, how to read chemical symbols and formulae, what ‘pure’ means to a chemist, and how to separate mixtures by filtration, evaporation, distillation and chromatography.

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