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ChemSpider is a free chemical structure database providing fast access to over 26 million structures, properties and associated information.

Chemistry is the study of matter and energy and the interactions between them. Get facts for the elements in the periodic table. Find chemistry demonstrations and experiments and science fair projects. Get chemistry homework help with worked example ...

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Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

WikiAnswers: Questions and Answers from the Community

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Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

ChemIndustry.com is the search engine of the chemical world. The best place for chemists and chemical industry professionals to find chemicals, equipment, services and chemical resources.

Make toys at home with common household materials, often in only a few minutes, that demonstrate fascinating scientific principles.

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