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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 ...

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world

Online scientific dictionary and encyclopedia of chemicals. Provides detailed information such as thermodynamic, chemical, physical properties, safety aspects, hazards of chemicals.

Solvay Chemicals is a world leading producer of essential chemicals including soda ash, caustic soda, hydrogen peroxide and special chemicals such as fluorinated products, ultra-fine fillers, high purity barium and strontium.

IHS Inc. -- Engineering, Technical, Energy and Market-specific Information Solutions

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

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

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...

Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. Infoplease.com contains facts on all subjects including sports, entertainment, techno...