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Question 1A.11 asks: In the spectrum of atomic hydrogen, several lines are generally classified together as belonging to a series. What is common to the lines within a series that makes grouping them together logical? Does anyone know how to approach this question? I'm a little confused on the concept.
Series refers to the Lyman (n=1) , Balmer (n=2), Paschen (n=3), and Brackett (n=4) series. What makes the lines of each series similar is that when electrons relax to a lower energy level they emit an EMR. For electrons relaxing to n=2 for example, they emit an EMR that corresponds to the Balmer series. Figure 2.1 in the textbook can help you out as well :)
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