Dalton's atomic theory Learning check for Dalton's atomic theory . Classifying compounds Classify compounds as ionic or molecular. Names and formulas of polyatomic ions Write the formulas of polyatomic ions from their names, and vice versa. Interpreting formulas Understand the subscript notation for chemical formulas. A Chime version of this tutorial is in the works, but no plugins are required for this simple exercise.
Ionic equations Write net ionic equations for chemical reactions, and recognize spectator ions.
Empirical gas laws Applying Boyle's Law, Charles' Law, and Amonton's Law to real problems. Sign up for a free monthly newsletter describing updates, new features, and changes on this site.