Collection of printable learning aids to help improve the understanding of combining powers (valences) in chemical reactions.

Shockwave activity to help in balancing equations.

Animation showing steps in adding coefficients.

Animated tutorial with a seesaw showing what happens if you add coefficients to certain compounds and molecules in chemical equations.

Visual shockwave exercise in which you type in coefficients and check your answers.

A text tutorial offering sample problems, steps, and strategies.