Complete resource for understanding the nature of chemical change and represent these processes by molecular modeling and chemical equations.
The application contains exercises to adjust representations reactions expressed with molecular modeling and chemical equations.

Full discussion of these processes.
Molecular modeling exercises.
How to adjust or balance a chemical equation.
The concept of stoichiometric coefficient.
Exercises equations.
Evaluation system, with a scale of 1 to 12.
The ability to send the results of the student, via mail, to your teacher.
teacher.