To succeed in introductory chemistry, you need to develop your problem-solving skills-but you'll also need to understand why these skills are important. Introductory Chemistry, Fourth Edition extends chemistry from the laboratory to your world, helping you learn chemistry by demonstrating how it is manifested in your daily life. Throughout, the Fourth Edition presents a new student-friendly, step-by-step problem-solving approach that adds four steps to worked examples (Sort, Strategize, Solve, and Check). This proven text continues to foster student success beyond the classroom with MasteringChemistry®, the most advanced online tutorial and assessment program available. Used by over a million science students, the Mastering platform is the most effective and widely used online tutorial, homework, and assessment system for the sciences. This is the product access code card for MasteringChemistry and does not include the actual bound book. Pearson eText gives students access to the text whenever and wherever they can access the Internet. The eText pages look exactly like the printed text, and include powerful interactive and customization functions. This is the access code card for Pearson eText and does not include the actual bound book.