February 26, 2017

Homework Help: Chemistry

Posted by Danya on Thursday, November 15, 2012 at 1:43am.

Determine the end value of n in a hydrogen atom transition, if the electron starts in n=4 and the atom emits a photo of light with a wavelength of 486 nm.

*The answer given is 2, but I don't know how they got there.

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