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Excited state. e -. e -. Electrons can only be at specific energy levels, NOT between levels. Ground state. Color = Energy of Photons. Zumdahl, Zumdahl, DeCoste, World of Chemistry 2002, page 329. D. C. B. A. Energy Level. Four excited states. Energy. Ground state.

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  1. Excited state e- e- Electrons can only be at specific energy levels, NOT between levels. Ground state

  2. Color = Energy of Photons Zumdahl, Zumdahl, DeCoste, World of Chemistry2002, page 329

  3. D C B A Energy Level Four excited states Energy Ground state Zumdahl, Zumdahl, DeCoste, World of Chemistry2002, page 329

  4. An Excited Lithium Atom Excited Li atom Energy Photon of red light emitted Li atom in lower energy state Zumdahl, Zumdahl, DeCoste, World of Chemistry2002, page 326

  5. An Excited Lithium Atom Excited Li atom Energy Photon of red light emitted Li atom in lower energy state Zumdahl, Zumdahl, DeCoste, World of Chemistry2002, page 326

  6. Excitation of Hydrogen Atoms Zumdahl, Zumdahl, DeCoste, World of Chemistry2002, page 328

  7. Return to Ground State

  8. Frequency A n = 3 Frequency B n = 2 Frequency C n = 1 A C B A + B = C

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