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The Periodic System, Chemical Bonds, and Crystal Structure1

Abstract

A GREAT advance was made in the Bohr theory of the Periodic System by the discovery of Stoner and of Main Smith that the numbers of electrons in the different subdivisions of the L, M, N, . . . shells are not equal, as Bohr originally assumed, but unequal. The details of the new scheme are given in the following table, which shows the sub-groups of the shells, with the numbers of electrons in each:

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  1. Zeits.f. Phys. 34, 562, 1925).

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SOMMERFELD, A. The Periodic System, Chemical Bonds, and Crystal Structure1. Nature 117, 793–795 (1926). https://doi.org/10.1038/117793a0

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