Recent Books Chemistry in Daily Life. SAMUEL General College Chemistry. JOSEPHA. B a ~ o n ,Assistant Professor of ChemisG~assTona,D.Sc., Ph.D., F.I.C., Lectry. College of the City of New York. turer in Chemistry a t the University of Shefield, England. First Edition. Thomas Y. Crowell Company. 393 E. P. Dutton and Company Inc., New Fourth Ave., New York City, 1929. x 586 pp. lfi7 figures. 14 X 22 cm York, 1928. vi 4- 250pp. 21 diagrams. $3.75. 18.5 X 12.5 cm. 52.25. I n the preface the author states, This book is intended for the use of "It is hoped that the book will be of college students who have had highinterest t o the general reader and be school preparation in chemistry. "In preuseful as a basis for extension, and paring this text, the author has endeavored similar lectures for adults, as well a s a t o write a book which is scientific in spirit textbook for schools, whether chemistry and intensive in the study of the fundais taught or not." Recent developments mental principles and their applications " in the field of education lead one to view Following a brief introduction, the gas with skepticism a book or a course of laws and the periodic system, there is a study that aims t o accomplish a multi- short, elementary discus+on of atomic tude of purposes. I t is the opinion of the structure, the concepts of this theory hereviewer that "Chemistry in Daily ing employed in the study of the elemenLife" is better adapted for general tary substances throughout the text. Oxidation-reduction is discussed from the reading than for use as a textbook. The author has a style that enables, valence-electron method, valence changes him to present in an interesting manner being considered t o be due to the gain or a mass of chemical f a d s t o the layman los~ofelectrons. who is willing t o think as he reads. The first fourteen chapters are devoted The description of many of the classical largely t o the development of theoretical experiments in chemistry is well done, considerations, chapters on hydrogen, and there is described more than one oxygen, and water being the only sections historical incident that is not commonly of a purely descriptive nature in this porfound in textbooks or less technical tion of the text. This section is followed works. A large part of the book is bb eleven chapters devoted t o the disdevoted t o recent triumphs of industrial cussion of the non-metals. with a chapter chemistry; the book is remarkably on solubility product standing between free from misinterpretations, considering the discussion of hydrogen sulfide and the its nature and the wide scope of the oxides and oxygen acids of sulfur. The material covered. The treatment of the next thirteen chapters are devoted to the more modem theoretical subjects. how- metals and their compounds, and the 1-t ever, is not up to the level of the other three chapters deal with organic camportions of the book; the physical pounds. The usual tables and a table of chemist, for example, will take exception logarithms are found in the Appendix. to the fanciful dream, referred t o several An abridgment of the Hubbard "Periodic times, that we may be able some day t o Chart" is placed a t the end of the hook. A list of questions and problems, arutilize on a revolutionary scale the energy within the atom. ranged in the same order as the subject J o w R. SAMPRY matter is placed a t the end of each chapter. HOWARD COLLBCB Except for the inclusion of concepts of Bralanioaau, Ausna&
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