A text-book of elementary chemistry / by Alexander Smith.

  • Alexander Smith
Date:
1915
Catalogue details

Licence: In copyright

Credit: A text-book of elementary chemistry / by Alexander Smith. Source: Wellcome Collection.

    16/492 page 8
    VUl duced, prove a source of confusion to the pupil. These sub- stances are therefore discussed together at a later stage, and no particular attention is paid to oxidation until that chapter is reached. Again, there is danger of introducing the different kinds or categories of facts and principles in such rapid succession that mental indigestion results. The pupil should have time to become accustomed to using one set of ideas before another set is forced upon him. Hence, during the first fifteen chapters, only matter is considered. Heat and energy are not discussed in the chapter on oxygen, when so much that is new is under- going assimilation, but in that on carbon (Chap. XVI), where they are equally appropriate. The whole treatment assumes that experiments are shown in the class-room demonstrations, and that suitable laboratory work accompanies the class-room meetings. ALEXANDER SMITH. Columbia University. PREFACE TO THE BRITISH EDITION Two new chapters (XLIII and XLIV) have been added, and a number of minor changes have been made. The content of the new chapters was suggested by Mr. H. A. Wootton, Senior Science Master at Westminster School. A. S.
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