One of the lines in the Balmer series of the hydrogen atom emission spectrum is at 397nm. It results from a transition from an upper level energy level to n=2. What is the principal quantum number of the upper level?© BrainMass Inc. brainmass.com March 4, 2021, 5:54 pm ad1c9bdddf
This solution is provided in 93 words in an attached .doc file. It provides equations for finding the principal quantum number using known values.