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http://en.wikipedia.org/wiki/PH
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ph
chemistry
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uolch1070-09
definition
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wikipedia
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Site features information about name reactions, current topics, chemicals, abstracts, and more.
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Place for science students and teachers to discover the advantages of a 3D periodic table of the elements.
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Always use the upper case for the first character in the element name ... To enter an electron into a chemical equation use {-} or e. To enter an ion specify charge ...
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Comprehensive online encyclopedias of astronomy, math, physics, scientific biographies, and scientific books, with many equations and formulas.
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Use the widget below to compare chemhelper.com's value to other sites. Updated Daily ... The number of sites linking to chemhelper.com. ...
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Annotated collection of sites for the professional organic chemist.
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Mr. Kent's Chemistry Pages. This site contains information for helping anyone in AP Chemistry and Regents Chemistry. The pages include calendars for each class, ...
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