Refer to the figure above. Assuming that all transitions between levels are possible, how many spectral lines will this atom exhibit?
1) 1
2) 2
3) 3
4) 4
5) 5
The spectral line of highest frequency will result from an electron transition from n = 3 to
6) n = 2.
7) n = 1.
8) either, if the levels are equidistant.
Answer: 3, 7
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