Chemistry for beginners

Chapter 42: Transcriber’s Notes

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About This Book

A concise introduction traces chemistry's development from ancient Greek and alchemical ideas through medieval practice to modern atomic theory and the periodic law. It explains elements, atomic weights, valency, analysis and synthesis, and differentiates organic and inorganic chemistry, including catalysis, enzymes, and hormones. Practical topics include spectroscopic methods, industrial chemistry, instruments, and ocean salinity. Later chapters address radioactivity, intra-atomic energy, electrons, astrophysical applications, and discussions on the origin of life and the philosophical implications connecting chemical theory with metaphysical questions.

Transcriber’s Notes

Punctuation, hyphenation, and spelling were made consistent when a predominant preference was found in the original book; otherwise they were not changed.

Simple typographical errors were corrected; unbalanced quotation marks were remedied when the change was obvious, and otherwise left unbalanced.

This book uses both “reactions” and “reäctions”.

Page 17: “Cobalt” was printed as “Cobolt”; changed here.

Page 23: The “constitutional” formula in the original book was printed with the two “B”s stacked, one above the other, and in a smaller font that could fit both of them on one line of normal-sized text.

Page 49: “allotrophic” was printed that way; probably should be “allotropic”.