The Bohr formulation appropriately employs the reduced mass of electron and proton in all cases, as an alternative to the mass of the electron, The Bohr design and all of its successors explain the Qualities of atomic electrons regarding a set of permitted (attainable) values. Atoms absorb or emit radiation http://umtsflatvergleich.de/die-vorteile-der-verwendung-einer-hebebuhne-in-ihrem-trainingsprogramm/