A mercury atom is initially in its lowest possible (orground state) energy level. The atom absorbs a photonwith a wavelength of 185 nm and then emits a photon witha frequency of 6.88 × 1014 Hz. At the end of this series oftransitions, the atom will still be in an energy level abovethe ground state. Draw an energy-level diagram for thisprocess and fi nd the energy of this resulting excited state,assuming that we assign a value of E = 0 to the groundstate. (This choice of E = 0 is not the usual convention, butit will simplify the calculations you need to do here.)

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter4: Introduction To Quantum Mechanics
Section: Chapter Questions
Problem 14P: Potassium atoms in a flame emit light as they undergo transitions from one energy level to another...
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A mercury atom is initially in its lowest possible (or
ground state) energy level. The atom absorbs a photon
with a wavelength of 185 nm and then emits a photon with
a frequency of 6.88 × 1014 Hz. At the end of this series of
transitions, the atom will still be in an energy level above
the ground state. Draw an energy-level diagram for this
process and fi nd the energy of this resulting excited state,
assuming that we assign a value of E = 0 to the ground
state. (This choice of E = 0 is not the usual convention, but
it will simplify the calculations you need to do here.)

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