These sites will help students learn the rules to balancing chemical equations. Students can study the law of Conservation of Mass. Quizzes, tutorials, and sample problems are available on many of the sites. Included is an eThemes resource on molecular models.
The following web sites have instructions on how to download and use the Chime plug-in for working with three-dimensional molecular models. Find out how wireframe, stick, ball and stick, and space filling models vary from each other and what the advantages and disadvantages are. Learn about Valence Shell Electron Repulsion Pair (VSERP) theory and view VSERP molecular models. Includes images, 3D interactive models, animations, movies, quizzes, and lesson plans.