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Physics 20 Online
OpenStudy (anonymous):

what is the minimum energy required to ionize a hydrogen atom in the n=3 state

OpenStudy (anonymous):

The binding energy of an electron to a hydrogen atom is \[ E = \frac{-13.6 \text{ eV }}{n^2} \]

OpenStudy (anonymous):

@jemurray3 is correct. the answer is 1.511 eV.

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