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From this site, one can access a periodic table, other www sites, lecture notes, demos with videos, laboratory procedures, and an online textbook. Topics range from an introduction to chemical compounds to electrochemistry.
Steve Marsden has one of the significant hyperlink sites for Chemistry Multimedia instruction. This is in his Media Section. He notes important original authors. He notes the type of multimedia for each demonstration. At the bottom of the page is a Lab Techniques and Instrumentation section with more than thirty graphics.