Moles – a fundamental concept of chemistry. Without an understanding of moles, you will find it tough to understand formulae, equations, calculations and titrations. In our series of films on moles, we explain the basic concepts and show how logical...
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Ionic and Covalent Bonding

When atoms bond together, they do so either with an ionic bond or a covalent bond, depending on whether there is a metal to non-metal pairing or a non-metal to non-metal pairing.  In this video, Science Rocks explains the difference between ionic and...
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CSI Surrey: Chemical Analysis

Chemical analysis is the process of identifying and quantifying the components of certain materials – it can help you find out what the material is, and whether it is contaminated with any other substances or compounds.  At GCSE level, you learn...
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