Complete classification of the triad systems on fifteen elements.
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Complete classification of the triad systems on fifteen elements.

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Published by Govt. Print. Off. in [Washington .
Written in English


  • Combinations.

Book details:

Edition Notes

Other titlesTriad systems.
StatementBy H. S. White, F. N. Cole, and Louise D. Cummings.
SeriesMemoirs of the National academy of Sciences. vol. 14, 2d memoir, Memoirs of the National Academy of Sciences -- v. 14, no. 2.
ContributionsCole, F. N. 1861-, Cummings, Louise Duffield, 1872-
The Physical Object
Pagination28 p.
Number of Pages28
ID Numbers
Open LibraryOL14146873M
LC Control Number19026501

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Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (K), or click on a page image below to browse page by by: Get this from a library! Complete classification of the triad systems on fifteen elements.. [Henry Seely White; F N Cole; Louise Duffield Cummings]. configurations (3,3)io, to which the triad systems in thirteen letters reduce on the suppression of those triads which contain any one of the three letters of a selected triad. While this method leaves little to be desired in point of ef-ficiency, it is quite possible to obtain the systems by the theory of substitutionsCited by:   Law of Triads. The development of the periodic table begins with German chemist Johann Dobereiner () who grouped elements based on similarities. Calcium (atomic weight 40), strontium (atomic weight 88), and barium (atomic weight ) possess similar chemical prepares. Dobereiner noticed the atomic weight of strontium fell midway between the weights of .

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