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August 29, 2015

Homework Help: chemistry-check answer

Posted by Anthony on Sunday, October 31, 2010 at 12:28pm.

What is the wavelength (in nanometers) of light emitted from a hydrogen atom when an electron falls from the n = 2 to n = 1 orbital?

I got this answer and i wanted to make sure it is right

121.7

Thank you

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