The theory of spectra and atomic constitution; (1922)
Bohr, Niels Henrik David, 1885-1962 · Cambridge [Eng.] The University Press · leaf 112
y different for the different alkali spectra.Instead of a 2X orbit as in lithium we must thus assume forthe spectrum of sodium not only that the first spectral term inthe 8 series corresponds to a Sx orbit, but also, as a more detailedconsideration shows, that the first term in the P series… … II II H Fig. 3. corresponding to the same principal quantum number. This wouldmean that the average effect of the inner electrons could be describedas a repulsion greater than would occur if their total electrical chargewere united in the nucleus. This, however, can not be expected fromour view of…
Spectrum analysis · Hydrogen · Atomic theory · Quantum theory
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