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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 ...

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

YouTube is a place to discover, watch, upload and share videos.

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

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...

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

CDC Centers for Disease Control and Prevention - Your Online Source for Credible Health Information

Sulfuric Acid Today magazine publishes the latest news, products, technology, conferences and best maintenance practices for the sulfuric acid industry.

Short videos about every element on the periodic table, plus other cool experiments and chemistry stuff

MECS is the global leader in the design of sulfuric acid plants and related high performance products for the phosphate fertilizer, oil refining and metal smelting industries.