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Chemistry, 27.01.2020 23:31 xxtonixwilsonxx

Ahydrogen atom in an excited state emits a photon of frequency ν = 3.084 x 1015 s-1. if the electron returns to the ground state, in which level was it before the photon was emitted?

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Ahydrogen atom in an excited state emits a photon of frequency ν = 3.084 x 1015 s-1. if the electron...
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