About 0 Articles in this category Elements ArgonArsenicCarbonCeriumChlorineCobaltCopperIronLanthanumLithiumMolybdenumNickelOxygen (Metal Oxides)PalladiumPhosphorusPlatinumPraseodymiumRheniumRutheniumSilicon26 Articles in this category XPS Theory The Photoelectric EffectSpin-Orbit SplittingMultiplet SplittingMultiplet splitting of s-orbitals in first row transition metalsPlasmon Loss10 Articles in this category