This updated and enhanced Seventh Edition of CHEMISTRY IN FOCUS helps students develop an appreciation for the molecular world that underlies the world we can see. From the first page to the last, Professor Tro emphasizes the connection between the atoms and molecules that compose matter and the properties of that matter. Students learn to see the world through the lens of chemistry and to find excitement and awe in the myriad of chemical processes occurring all around them all the time. This easy-to-understand text also helps students understand the major scientific, technological and environmental issues affecting our society. Innovative study aids such as Self-Check Questions, OWLv2 Adaptive Study Plans and new online “Big Picture” videos featuring the author help students maximize their success in the course.