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An excited H atom emits light with a frequency of 1.141 x 1014 s-1 to reach the n = 4 energylevel. ?
An excited H atom emits light with a frequency of 1.141 x 1014 s-1 to reach the n = 4 energy
level. In what principle quantum number did the electron originally reside? [given E = -2.178 x
10-18 J (Z2/n2) and h = 6.626 X 10-34 J s]
1 Answer
Relevance
- kirchweyLv 71 decade agoFavorite Answer
|delta-E| = hf = 7.5603E-20 J
E2 = 1/N1^2 - |delta-E|/E(ground) = 2.7817E-02 J
N2 = sqrt(1/E2) = 5.9957 ~ 6 (answer)
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