Basic Chemistry, Third Edition gives you the problem-solving tools and techniques you'll need to succeed in future chemistry courses and in the work force. In a clear, friendly writing style, Timberlake continues to make chemistry relevant and engaging. Her unique "Guide to Problem-Solving" strategy provides a visual, step-by-step plan that helps to solve a wide variety of problems. Sample and practice problems throughout each chapter help you practice and master quantitative skills. Real-world applications cover modern, interesting topics in helping connect chemical principles to events in today's world, while interviews with engineers, doctors, veterinarians, and biochemists show the importance of chemistry in future careers. 　　 MyLab或是Mastering系列是在线作业系统。Access Code Card是在线作业系统的访问码，是老师和学生课堂之外网络互动及交流的平台，个人是无法使用这个平台的。请读者注意您购买的这个ISBN是不带Access Code Card的。