...spark spectra of well-defined series of metallic elements, it is shown that there is a considerable evidence in support of the view that elements whose...chemical character is similar, are truly homologous, that is to eay, similarly constituted bodies, or in other -words, they are the same kind of matter...

...speflra of magnesium, zinc cadmium, copper, silver, silicon, boion, and aluminium The data thus obtained present a considerable addition to the body of evidence in support of the view that ele ment«, \\hose atomic weights ditier by a constant quantin and whose chemical character is similar,...

...different groupings increase with the increase in the atomic weights of the elements. In fact these spectra present a considerable addition to the body of evidence...view that elements whose atomic weights differ by an approximately constant quantity, and whose chemical character is similar, are truly homo'ogous bodies,...

...groupings increase with the increase in the atomic weights of the clenientí. In fact these spectra present a considerable addition to the body of evidence in support of the view that elements и hose atomic weights differ by an approximately constant quantity, and whose chemical character is...

...reference to homologous speitra — that is to say, those speâra which are similarly constituted : — " The foregoing data present a considerable addition...support of the view that elements whose atomic weights difier by a constant quantity, and whose chemical character is similar, are truly homologous, or, in...

...reference to homologous spectra — that is to say, those spectra which are similarly constituted : — " The foregoing data present a considerable addition...to the body of evidence in support of the view that element! whose atomic weights differ by a constant quantity, and whose chemical character is similar,...

...certain distance. It is interesting to note that in this connection Hartley found " a considerable body of evidence in support of the view that elements...kind of matter in different states of condensation." The early work of Rydberg, and that of Kayser and Runge, indicated two definite influences of atomic...

...1b]. b;. and Ьз in Fig. 8.71. Hartley consequently felt confident enough to evahtate his paper as "a considerable addition to the body of evidence in...are the same kind of matter in different states of condensation."243 Put otherwise. he suspected that these iterative line groups in the spectrum of a...

...different groupings increase with the increase in the atomic weights of the elements In fact these spectra present a considerable addition to the body of evidence...view that elements whose atomic weights differ by an approximately constant quantity, and whose chemical character is similar, are truly horao'ogous...