Subject	Format	File size (Mb)	Source
The difference between a pure substance and a mixture		-	1
Paper Chromatography of ink		1.52	6
Mixtures and compounds		2.7	6
Atoms and Molecules Lecture		stream	2
Composition and representation of molecules Lecture		stream	2
Multiple Proportions		3.02	6
Element names and symbols exercise		?	3
Element properties exercise		?	3
Binary covalent nomenclature tutorial		?	3
Cation names and formulas tutorial		?	3
Anion names and formulas tutorial		?	3
Ionic nomenclature tutorial		?	3
Ionic compound formulas		?	4
Combined nomenclature tutorial		?	3
Types of substances tutorial		?	3
Compound naming quiz		-	1
The Law of Multiple Proportions		-	1
Percent composition		?	8
Avogadro's number		?	8
Electrolyte behavior		stream	5
Electrolytes		?	7
Electrolytes and non-electrolytes		2.79	6
Strong and weak electrolytes		1.5	6

(1) USC, Chi Mak
(2) Texas A&M University, Lawrence S. Brown
(3) Monterey Peninsula College, Mark Bishop
(4) Chemland, University of Massachusetts, William Vining
(5) South Dakota School of Mines and Technology, Chemistry Outreach 2000
(6) Prentice Hall, Inc. (see Legal Notice)
(7) University of Akron, The Hardy Group
(8) Chemistry, The Science in Context, W.W. Norton & Co.