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The Catalyst is a valuable web resource for chemistry educators and students at the secondary/high school level.

Support for high school science courses, including chemistry, AP Chemistry, biology and physics. ScienceGeek.net is the website of Andy Allan, science instructor at El Diamante High School in Visalia, CA.

Tutoring and homework help in Tulsa, OK or by email for math, chemistry, physics. Find a tutor near you with our worldwide tutor directory. Test prep for ACT, SAT, GRE. Homework cheat.

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 ...

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

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.

The definitive online periodic table reference site including technical data, and photographs and descriptions of thousands of samples of the chemical elements.

Free Homework Help Videos in Math (Algebra 1-2, Geometry, Trigonometry, Precalculus, Calculus) & Science (Physics, Chemistry, Biology); SAT, ACT, AP & PSAT

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The Khan Academy is a not-for-profit 501(c)(3) with the mission of providing a world-class education to anyone, anywhere. Despite being the work of one man, Salman Khan, this 1600+ video library is the most-used educational video resource as measure...