Already known for helping you develop the qualitative, conceptual foundation that gets you thinking like a chemists, this Enhanced Edition has been specially updated to include instant access to ENHANCED WEBASSIGN, the most widely-used and reliable homework system. This market-leading text is designed for students with solid mathematical preparation and prior exposure to chemistry. The unique organization of the text supports this qualitative-to-quantitative approach. A strong emphasis on models and everyday applications of chemistry combines with a thoughtful, step-by-step problem solving approach to build conceptual understanding.