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November 1, 1941

General Chemistry

JAMA. 1941;117(18):1574. doi:10.1001/jama.1941.02820440082035

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The present volume reflects the remarkable advances that have been made not only in chemistry but in the technic of teaching as well. Chemical textbooks of fifteen or twenty years ago seemed superb at that time and created an impression of finality —as if there were little more which could be added to the fundamentals of that science. But in this excellent volume we find discussions of many new topics, among them the structure of the atom, electrovalence, covalence, coordinate valence, the relative sizes of ions in crystals, radiation chemistry, uranium fusion, cyclotrons, vitamins, chemotherapy and strategic raw materials. Even the definitions of fundamental laws and principles have changed, and it is now noted that some of these which were once absolute and solid as the rock of Gibraltar have lost, like that rock, some of their unqualified self assurance. The subject matter is presented in a manner that holds

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