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A new approach to chemistry education at pre-university level

The Cambridge Pre-University Qualification (Pre-U) offers a fresh approach for the teaching of a number of subjects — including chemistry — to 16–18 year olds. Pre-U courses were first implemented in the UK in September 2008, and are expected to eventually become international qualifications.

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Figure 1: The van Arkel triangle shows the three extremes of bonding in terms of electronegativity difference (ionicity) plotted against the average electronegativity (localization) for binary compounds.

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McCaw, C., Thompson, M. A new approach to chemistry education at pre-university level. Nature Chem 1, 95–96 (2009). https://doi.org/10.1038/nchem.182

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