The Seventh Edition of Zumdahl and DeCosteas best-selling INTRODUCTORY CHEMISTRY: A FOUNDATION that combines enhanced problem-solving structure with substantial pedagogy to enable students to become strong independent problem solvers in the introductory course and beyond. Capturing student interest through early coverage of chemical reactions, accessible explanations and visualizations, and an emphasis on everyday applications, the authors explain chemical concepts by starting with the basics, using symbols or diagrams, and conclude by encouraging students to test their own understanding of the solution. This step-by-step approach has already helped hundreds of thousands of students master chemical concepts and develop problem-solving skills. The book is known for its focus on conceptual learning and for the way it motivates students by connecting chemical principles to real-life experiences in chapter-opening discussions and Chemistry in Focus boxes.The Seventh Edition now adds a questioning pedagogy to in-text examples to help students learn what questions they should be asking themselves while solving problems, offers a revamped art program to better serve visual learners, and includes a significant number of revised end-of-chapter questions. The bookas unsurpassed teaching and learning resources include a robust technology package that now offers a choice between OWL: Online Web Learning and Enhanced WebAssign. Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version.In forming an anion, an atom gains additional electrons in its outermost (valence) shell. ... However, Cs has two more positive charges in its nucleus than does I; this charge causes the n 5 shell of Cs to be smaller than that of I (the ... The nitrogen atom of NH3 is surrounded by four electron pairs (three are bonding, one is a lone pair). ... eight pairs of electrons on Si; 109.5 The general molecular structure of a molecule is determined by how many electron pairs surround the central atomanbsp;...
|Author||:||Steven Zumdahl, Donald J. DeCoste|
|Publisher||:||Cengage Learning - 2010-01-01|