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General Chemistry. HORACE G. DEMING, Professor of Chemistry, University of Nebraska. Third edition, John Wiley k Sons, Inc , New York City, 1930. is 715 pp. 143 figs. 14 X 22 cm.
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in Figure 1 (page 3); whether the student might not get the impression kom page 606 that radium is a light metal; if nickel forms more useful alloys than iron (page 64). But these are very minor details, and the book shows unmistakable evidence of thought and care in the selection and Presentation of material. I t contains much more than the average student ean learn in a year's course, which the author recognizes: "The instructor ~ ~ t should, select what he Can make interesting, vivid, and of service in teaching the student to reason chemically. and should he content to omit the
Gmat improvement in the appeal made to the student's interest and in themethod f, presentation is apparent in the general chemistry texts today aver those of twenty-five or thirty years ago. D ~ ing's well-known book, the third edition ,f which appeared in ~ ~ 1930, ~ il. lustrates this. According to the title survey empage this is an of funphadzing industrial damental principles." rest. Too many teachers try t o excavate the entire contents of a textbook by the prequent reference is made to matters~ i t h the student is steam-shovel method" (page 4 . In a word the reviewer considers the already familiar; the pictures of industrial processes are unusually good; the book worthy of the rank of "excellent." HARRISONHALE statistics used are recent and well ar;g;gc; ranged. The explanation of the meaning ;;;F of scientific research (page 26) and the description of current research a t the Exercises in General Chemistry. HORdose of many chapters are most valuable. ACE G. DEMING, Professor of Chemistry, That "no inventor or patent attorney can afford to neglect suggestions likely University of and B' ARENSON,Asmiate Professor of Into be contained in the periodic is organic Chemistry, University of Cininteresting. cinnati. Third pdition, John Wiley & Atomic structure is not discussed until Sons, Inc., New York City, 1930. xi\. the book is half complete, as the author 298 pp. 20 figs. 14 X 22 cm. does not wish "to have students building 81.80. models of the chlorine atom before they This manual follows the order used in have learned t o generate chlorine in the laboratory" (page vi). Acids, bases, and the thud edition of Deming's "General Chemistry" to which constant and satissalts are discussed for twelve pages he. fore the word ion is introduced, and a dis- factory reference is made. The authors state its chief aims: cussion of ions is delayed t o a later chapter. "1. T o make the student familiar with The reviewer would prefer more em- a few representative types of matter. phasis upon the persons who have made "2. T o reveal some of the general chemistry that which i t is today. Many principles that govern the transformations are mentioned, hut no photographs are of matter. "3. T o afford same experience with given. Some men are as interesting as a porcelain plant, for example. One the experimental methods by which chemistry has won its advances" (page vii). wonders where physics should he placed 198
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