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How do you know these lines correspond to 4-->2 and 5-->2?Screen</h1><p class='abPRemoveTitle'> Shot 2019-09-30 at 11.47.27 PM.png

Screen Shot 2019-09-30 at 11.47.27 PM.png

2. The emission spectrum below for a l-electron ion in the gas phase shows all the lines resulting from
transitions to the first excited state from the higher-lying excited states. Line B has a wavelength of
30.4nm. (a) Label the lines marked A and B according to the initial and final states in the corresponding
transitions. Example: 3 line resulting from a transition to the second excited state from the third excited state would be labeled 1.4—»3. 1.4—)2 x592 Increases in I.
this direction

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