Series Spectra of Chlorine, ClII, ClIII, ClIV, ClV, and of SiII, PIII and SIV

Abstract

Series spectra of chlorine.—Twenty-six lines are classified in ${\mathrm{Cl}}_{\mathrm{II}}$, eighty-eight in ${\mathrm{Cl}}_{\mathrm{III}}$, twenty-six in ${\mathrm{Cl}}_{\mathrm{IV}}$ and seventeen in ${\mathrm{Cl}}_{\mathrm{V}}$. Twenty-one term values are fixed in ${\mathrm{Cl}}_{\mathrm{III}}$.