Elementary Principles Of Chemistry Revised Edition by R. Brownlee 1921

Description: Chemistry is decidedly a living, growing subject; research brings new facts to light, new, helpful theories into being; experience points the way to clearer, simpler state-ment. In writing this new book, however, we have recognized the fact that a very general agreement of opinion as to the content of elementary chemistry still continues. We have, therefore, adopted no startlingly new or radical changes in subject matter or in treatment. Suggestions generously sent by fellow workers from all parts of the country have indicated possible improvements; and these have been freely embodied in this book. We have not departed in any essential way from our guiding principles for making this sort of book. A restatement of them may not be out of place here: A proper study of science must lead to generaliza-tions. In reaching these generalizations, the historical order of development probably indicates the easiest path of approach for the immature mind. Theoretical matters should not be presented in too large doses at one time. Industrial processes sometimes serve better for the teaching of chemical principles than do laboratory experi-ments. Simple thought questions, such as those found at the ends of the chapters, serve well both as tests for home study

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