http://www.bozemanscience.com/matter (Elements, Cmpds, Mixtures)
http://www.bozemanscience.com/significant-digits
http://www.bozemanscience.com/factor-label-method (Dimensional Analysis)
http://www.bozemanscience.com/history-of-the-atom (Stop at 7 min)
http://www.bozemanscience.com/a-tour-of-the-periodic-table (Names of Families)
http://www.bozemanscience.com/atoms-the-periodic-table (mass #, atomic #, isotopes)
http://www.bozemanscience.com/naming-compounds-part-1 (writing names from formulas of ionics and molecular (covalent) cmpds)
http://www.bozemanscience.com/naming-compounds-part-2 (writing formulas from names of ionics and molecular (covalent) cmpds)
Also, please consult the links for regular chemistry on my district web page, like for molar conversions, empirical & molecular formulas, ionic and net ionic equations, and other things you might have forgotten.