Law And Theory in Chemistry a Companion book for Students
The book Law And Theory in Chemistry a Companion book for Students was written by author Douglas Carnegie Here you can read free online of Law And Theory in Chemistry a Companion book for Students book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Law And Theory in Chemistry a Companion book for Students a good or bad book?
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ISOMERISM AND MOLECULAR ARCHITECTURE. WITH respect to the arrangement of the simple atoms in the compound atom (molecule) the earlier chemists did not concern themselves. The determination of the mere composition and formula of the compound atom was a problem more than sufficient for their day. But during the years 1820-25 the discovery and investi- gation of cyanic, fulminic, and cyanuric acids forced chemists to face the question of the mutual relations of the atoms in the molecule. These thr...ee acids were found to have identically the same percentage composi- tion, and yet the properties of the three bodies differed most pronouncedly. So foreign did the possibility of the existence of two or more different bodies of the same percentage com- position appear to the early chemical philosophy, that Berzelius for long refused to admit it. Finally, how- ever, the accumulation of well-authenticated instances of the phenomenon, among which the different tartaric acids may especially be mentioned, not only forced Berzelius to an admission, but led him to introduce the general term "isomerism" 1 for the class of facts under observation.
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