Radiation - occurs when the elctron jumps from one orbit to an other, Classical fundamental constants - the charges and the masses of the elctron and the nucleus, Photons - An electron in orbit around an atomic nucleus that should emit electromagnetic radiation, Quanta - The energy can only be emitted or absorbed in discrete amounts, Plank constant - h = 6.6x10-34 joule seconds., electrons - obey the laws of classical mechanics by traveling around the nucleus in circular orbits,

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