Lectures Delivered in the Lecture Room of the Museum During the Spring Ssession of 1870

Lectures Delivered in the Lecture Room of the Museum During the Spring Ssession of 1870

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1871 edition. Excerpt: ...with potassium, a strongly basylous element, to form chloride of potassium, which may be sublimed at a red heat without decomposition; while there are compounds of chlorine with oxygen (both strongly chlorous elements) which are so unstable that the heat of the hand, or a slight jar or shake, is sufiicient to shatter them into their original elements. The chemical combination of one element with another, -of one chemical compound with another, or with an element, ' requires that the things combining shall be different, the chlorous combining with the basylons, or the electro-positive with the electro-negative, or, to use Faraday's terms, the kathion with the anion. For stable combinations the constituents must not be too near. akin, for it is the opposite natures which attract each other. 4 One concluding explanation will complete all that I have to say at present concerning chemical combination. When one body combines with another, there is a kind of mutual interpenetration of the two different masses of matter. When 23 parts or one equivalent of sodium combines with 24 parts or three equivalents of oxygen (more than its own weight) and six parts of carbon, the resulting fused carbonate of soda occupies actually less space than that occupied by the original metal, --there results 55 parts by weight of carbonate of sodium, occupying less space than the 23 parts of solid metallic sodium which it contains. Facts of this nature, and facts of other kinds, appear to show that there are open ways between the particles or atoms of the most solid bodies, and these interspaees appear to be the high roads of chemical exchange, wherein each atom finds its associate. Concerning the real size of these atoms of matter, or what they are, or what...show more

Product details

  • Paperback | 82 pages
  • 189 x 246 x 4mm | 163g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236877586
  • 9781236877581