Principles of Modern Chemistry (7th Edition)
The seventh edition of Principles of Modern Chemistry is written for students in honors and upper-mainstream general chemistry courses who seek to understand and interpret chemical events at the molecular level. The relation of molecular structure to function and properties requires the introduction of molecular structure early in the course and the use of structural arguments in presenting the remaining topics. Moreover, these students will soon be introduced to the great predictive power of chemical computations and simulations, for which a solid background in the description of molecular structure is essential.
The seventh edition presents the material from a unified, molecular point of view that continues to emphasize the central role of structure, but now with greater focus on the electronic structure of molecules as a unifying theme. Chapters 17 and 20, for example, have been completely rewritten to provide additional insight into the nature of electrochemical, spectroscopic, and photochemical processes by discussing the role of electronic excitations, energy transfer, and charge transfer in these processes using the qualitative quantum mechanical concepts (energy levels and their occupancy) developed earlier in the book.
The organization of the seventh edition is fundamentally the same as that of the sixth edition, which was an extensive revision of the traditional “macro-to-micro” approach employed in the first five editions. A number of changes and additions have been made to improve the text. The quantum description of the chemical bond in Chapter 6 has been simplified to make it more accessible to our students. A comprehensive introduction to molecular spectroscopy has been provided in Chapter 20; those methods that are used to determine molecular structure are also introduced earlier in the book with references to the relevant sections of Chapter 20. We have provided these brief introductions at “point of use” for the convenience of instructors who may wish to illustrate features of structure and bonding with spectroscopic examples or to provide background for laboratory classes being taken concurrently. Greater reliance is placed on molecular structure in developing subsequent topics (for example, acid–base equilibria, chemical kinetics, electrochemistry, organic chemistry, and the chemistry of transition metal complexes) than in the sixth edition. A number of new essays provide “Connections to. . .” other branches of science, engineering, and medicine. Coupled with the interdisciplinary Cumulative Exercises that have long been a hallmark of Principles of Modern Chemistry, these “Connections” introduce our students to a wide range of applications of the principles of chemistry.
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