A friendly, engaging text that reveals connections between chemistry, health, and the environment Chemistry: An Introduction to General, Organic, and Biological Chemistry, 13th Edition is the ideal resource for today's allied health students. Assuming no prior knowledge of chemistry, author Karen Timberlake engages students with her friendly presentation style, revealing connections between the structure and behavior of matter and its role in health and the environment. Aiming to provide a better teaching and learning experience for instructors and students, the text highlights the relevance of chemistry through real-world examples. Activities and applications throughout the program couple chemistry concepts with health and environmental career applications to help students understand why course content matters. The text also fosters development of problem-solving skills, while helping students visualize and understand concepts through its engaging figures, sample problems, and concept maps. The 13th Edition expands on Karen Timberlake's main tenets: relevance, a clinical focus, educational research, and learning design. New applications added to questions and problem sets emphasize the material's relevance, while updated chapter openers with follow-up stories help students form a basis for making decisions about issues concerning health and the environment. New problem-solving tools in this edition, including Try It First and Connect, urge students to think critically about problem-solving while learning best practices. Pearson Mastering Chemistry not included. Students, if Pearson Mastering Chemistry (TM) is a recommended/mandatory component of the course, please ask your instructor for the correct ISBN and course ID. Pearson Mastering Chemistry should only be purchased when required by an instructor. Instructors, contact your Pearson rep for more information. Pearson Mastering Chemistry is the leading online homework, tutorial, and assessment system, designed to improve results aby engaging students with powerful content. Instructors ensure students arrive ready to learn by assigning educationally effective content and encourage critical thinking and retention with in-class resources such as Learning Catalytics (TM). Students can further master concepts through homework assignments that provide hints and answer-specific feedback. The Mastering gradebook records scores for all automatically graded assignments in one place, while diagnostic tools give instructors access to rich data to assess student understanding and misconceptions.