Balancing Equations Online
It is most important for a chemist to be able to write correctly balanced equations and to understand equations written by others. It is also very helpful if he/she knows how to predict the products of certain specific types of reactions. After reading the lesson, (optional if you are already an expert!) go to the following websites to practice balancing equations. Remember that you may have to place a 1 in front of certain elements for the games to understand what you mean.
Lesson: http://richardbowles.tripod.com/chemistry/balance.htm
http://www.chem.vt.edu/RVGS/ACT/notes/scripts/bal_eq1.html (Practice Equations)
http://education.jlab.org/elementbalancing/index.html
(Balancing Act Game)
http://www.quia.com/rr/100887.html
(Rags to Riches Game)