OneKey offers the best teaching and learning resources all in one place. OneKey for Introductory Chemistry: Concepts & Connections, Fourth Edition is all your students need for anytime anywhere access to your course materials. OneKey is all you need to plan and administer your course. Conveniently organized by textbook chapter, these compiled resources help you save time and help your students reinforce and apply what they have learned in class.  Available resources includes Objectives, 3D Molecules, Web Destinations, Math Tutorial, Explorer Quizzes, andthe Interactive Student Tutorial, and assessment content includes Quiz and Master Quiz,  and the Test Item File.  Resources from the Instructor’s Resource Center on CD (below) are also included. OneKey is available for a nominal fee. Contact your sales representative for details.All instructor and student online course materials for this book are delivered in one Web-based course system. Here's What's Key for this title: