Problem: An electron in a hydrogen atom is excited with electrical energy to an excited state with n = 2. The atom then emits a photon. What is the value of n for the electron following the emission?

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We’re being asked to determine the value of n for the electron following the emission


Emission is a transition process from a higher energy level to a lower energy level. 


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An electron in a hydrogen atom is excited with electrical energy to an excited state with n = 2. The atom then emits a photon. What is the value of n for the electron following the emission?

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