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Latest draft - Fullerene Nomenclature , available 25.4.01 . Visual Elements screensaver Update your screensaver with the new one from Visual Elements, which builds the periodic table before your eyes. Available in Windows or Mac format. Exemplarchem 2001 chem soc is hosting an internet-based exhibition of project work in chemistry in order to give a platform for the best work carried out by undergraduates. Exemplarchem 2000 attracted entries from top universities across the UK and the Netherlands.