Below you will find answer keys to the worksheet at the end of each lesson. Simply click the title (e.g. Lesson 1) to download a PDF version of the answer key.
Chemical Foundations
Atoms, Molecules, and Ions
Ionic Compounds
Naming Ionic Compounds 1
Naming Ionic Compounds 2
Molecular Compounds
Naming Covalent Compounds Worksheet
Atomic Mass
Atomic Mass Worksheet 3
The Mole and Molar Mass
Molar Mass Worksheet
Mole Conversions Worksheet
Empirical and Molecular Formulas