Trusted, innovative, and calibrated, Chemistry: The Central Scienc e has helped millions of students understand and succeed in general chemistry. Its unrivaled problems, scientific accuracy, and clarity are maintained in this new edition, which is the book's biggest revision to date. In the Twelfth Edition, every word and piece of art has been studied for effectiveness. Based on feedback from students like you, this revision reflects the unparalleled expertise of its author team; each chapter has been updated and streamlined to remove any content not proven to increase student comprehension. Joined in this edition by new co-author Patrick Woodward, the book's solid authorship gains a fresh, new perspective yet maintains its unified, consistent voice. Note: This is a standalone book, if you want the book/access code order the ISBN below: 0321741056 / 9780321741059 Chemistry: The Central Science with MasteringChemistry Package consists of 0321696727 / 9780321696724 Chemistry: The Central 0321705106 / 9780321705105 MasteringChemistry with Pearson eText Student Access Code Card for Chemistry: The Central Science