The atomic theory

Paperback | October 12, 2012

byCharles Adolphe Wurtz

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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. 1881 edition. Excerpt: ... with those of aluminium and indium, from the position of the 'corresponding' spectral lines of these three metals. Such are some of the relations which exist between the atomic weights and the physical properties of simple bodies. It is an important chapter, to which Mendelejeff and Lothar Meyer have contributed many valuable developments; and amongst the theoretical consequences which follow from the conception of the Kussian chemist we may mention the following: it contributes new elements to the classification of simple bodies, and controls views founded upon other considerations. A few remarks upon this subject will be necessary. IV. In the table upon pp. 159, 160 the elements are arranged in groups and series. The vertical columns are composed of elements which resemble each other in the whole of their properties, and especially in the nature of their compounds. The elements are there arranged in families. If, with the increase of atomic weights, the properties of elementary bodies are subject to periodic variations, then those elements constituting a period may be placed in one group, and since in each of these groups the properties are subject to analogous variations, the corresponding terms of each group may also be connected: a certain concordance or harmony will be observed in these ' harmonic' or ' homologous ' terms, which will form a series. In some of these series, if not in all, we shall find in the increase of the atomic weights that regularity which was pointed out at the commencement of this chapter. The result of the periodic law which considers the variations of properties in each group has therefore for a corollary a principle of classification or seriation which establishes analogies of properties in each family of...

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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. 1881 edition. Excerpt: ... with those of aluminium and indium, from the position of the 'corresponding' spectral lines of these three met...

Format:PaperbackDimensions:82 pages, 9.69 × 7.44 × 0.17 inPublished:October 12, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217289118

ISBN - 13:9780217289115

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