This online textbook chapter provides learners with advanced-level material on the structure and relationships between atoms, molecules and ions.

Learn how basic elements form molecules to support life.

Learn all about molecular structures in this easy-to-understand, audio book. See how valence electrons determine how atoms bond together, and look at the bonding inside some of the most common molecules around you.

Learn everything you ever wanted to know about naming binary covalent compounds! See how scientists came up with systematic names for many common molecules and study the prefixes and roots for them.