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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 ...

Lenntech designs, builds and installs a wide range of odour treatment, water purification and air filtration products using UV, ozone, Ecosorb, drum filtration. Also cooling towers.

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...

Award winning periodic table, with user-friendly element data and facts. Cool, online chemistry videos, dictionary, tools and forum.

United States-based industrial gas company. Air Separation Plant supplier - new and used industrial gas production plants (cryogenic and non-cryogenic oxygen plants, nitrogen plants, air separation plants and liquefiers) associated engineering, plant...

This WebElements periodic table page contains Essential information for the element ununhexium

Elmhurst College | Elmhurst, Illinois

NIST site provides chemical and physical property data on over 40,000 compounds.

Visit this site to learn about the Periodic Table and chemical elements. All you need to know about the Periodic Table. A comprehensive educational resource and guide for students on the Standard Periodic Table of elements and their Atomic numbers.