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Professor Dave Explains
Native Elements, Oxides, Halides, and Sulfides
Different types of rocks contain different classes of minerals, which can tell us a lot about the geological environment in which the rock formed. What are these different mineral classes? What is the common structure of each...
Khan Academy
Khan Academy: Sn1 and Sn2 Reactions of Alcohols
This video lesson discusses SN1 and SN2 reactions of alcohols. This video lesson was developed in collaboration with the Association of American Medical Colleges and Khan Academy.