Energy Levels: The shortest wavelength of a photon that can be emitted by a hydrogen atom, for which the initial state is n = 12, is closest to which one of the following values? (c = 3.0 × 108 m/s, h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J)
A. 92 nm
B. 82 nm
C. 72 nm
D. 62 nm
E. 52 nm
Answer: A
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