https://www.pearson.com/channels/general-chemistry/textbook-solutions/brown-14th-edition-978-0134414232/ch-7-periodic-properties-of-the-elements/one-way-to-measure-ionization-energies-is-ultraviolet-photoelectron-spectroscopy-4b002fc6
One way to measure ionization energies is ultraviolet photoelectron spectroscopy (PES), a technique based on the photoelectric effect. (Section 6.2) In PES,...
one wayionization energiesmeasureultravioletphotoelectron