Information and worksheets broken down by topic Not very fancy but excellent, well-organized information for chemistry up to grade 12 and some helpful resources for first year general chemistry
A very nice periodic table; each chemical symbol is a link to a page containing detailed information about said element
A site to download chemsketch a free and simple programme which allows you to build molecules, look at their shapes and explore their properties. Nice for visual learners, especially when you first learn lewis structures and organic nomenclature.