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Learn about elements, compounds and mixtures in this KS3 Chemistry guide from BBC Bitesize.
Chemistry: Elements, Compounds, and Mixtures (2nd Edition) (1983) is a 20-minute educational film from the *Chemistry Series* by Coronet Instructional Films, distributed by Simon and Schuster ...
There are over 100 different types of atoms, and materials can be classified into elements, compounds, and mixtures based on their atomic composition.