| An excellent interactive periodic table that gives lots of information on each of the chemical elements (written by Dr Mark Winter, University of Sheffield, UK) |
| The home page of the American Chemical Society. |
| This is the home page of the UK’s Royal Society of Chemistry. |
| This is the home page of the National Radiological Protection Board, UK and is a useful source of information on radon and other radiation related issues. |
| The chemistry societies’ network. A very useful starting point when looking for chemical information. |
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