## What does it mean for all lines in a series to have the same lower energy level?

$c=\lambda v$

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### What does it mean for all lines in a series to have the same lower energy level?

I understand that for all lines in say the Lyman series, all the lines created have the same lower energy level in common. Does this mean that if the given lower energy level that all the spectrum lines of a series have in common lower energy level n=2 and possible higher energy level of n=4,5,6.. that the electron will always move from n=4,5,6... to n=2 when releasing energy and forming a spectrum line in the series, or can the electron move from n=4,5,6... to n=3 and still create a spectrum line that is in the lyman series?

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### Re: What does it mean for all lines in a series to have the same lower energy level?

Each series is defined by that same lower energy level. For Lyman series, spectrum lines end at n=1. For Balmer series, spectrum lines end at n=2. Thus, whichever n-value the spectrum lines end at determines which series is being displayed.

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### Re: What does it mean for all lines in a series to have the same lower energy level?

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### Re: What does it mean for all lines in a series to have the same lower energy level?

All the transitions in lyman series are goes from a n>=2 to n=1
Same goes for the Balmer series which are the transitions going for n>=3 to n=2

To answer your question, n = 4,5,6 can definitely happen but they would not belong in the Lyman series.