February 21, 2017

Homework Help: chemistry

Posted by dave on Saturday, February 5, 2011 at 12:57pm.

An electron in the n = 5 excited state of a hydrogen atom emits a photon of 1281 nm light. To what energy level does the electron move?

Any ideas on an equation for this? Is it some kind of backward version of Rydburg Eq?

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