List of CHE Topics Essential Ideas Atoms, Molecules, and Ions Composition of Substance and Solutions Stoichiometry of Chemical Reactions Thermochemistry Electronic Structure and Periodic Properties of Elements Chemical Bonding and Molecular Geometry Advanced Theories of Covalent Bonding Gases Liquids and Solids Solutions and Colloids Kinetics Fundamental Equilibrium Concepts Acid-Base Equilibria Equilibria of Other Reaction Classes Thermodynamics Electrochemistry