A certain type of atom
(not hydrogen) has three energy levels numbered 1, 2, and
3, as shown in the upper illustration. There are three possible
transitions between these levels that lead to emission of a photon:
3 ® 1, 3 ® 2, and 2 ® 1.
The lower illustration shows the emission spectrum from a gas of these atoms. There are three emission lines, A, B, and C.
(a) Rank the photons emitted in the transitions 3 ® 1, 3 ® 2, and 2 ® 1 in order of their energy, from highest energy to lowest energy. If any two photons have the same energy, state this. Explain how you made your ranking.
(b) Rank the photons emitted in the transitions 3 ® 1, 3 ® 2, and 2 ® 1 in order of their wavelength, from longest wavelength to shortest wavelength. If any two photons have the same wavelength, state this. Explain how you made your ranking.
Homework Answers
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A certain type of atom
(not hydrogen) has three energy levels numbered 1, 2, and
3,...
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