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Lecture 5 1. Sketch a helium atom, and label all parts.  Hydrogen  1p 1e-  Helium  2p 2n 2e- 2. Sketch a hydrogen atom whose electron is absorbing a photon and jumping 2 levels. 3. Describe why a red

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Department
Natural Science
Course
NATS 1870
Professor
Robin Kingsburgh
Semester
Fall

Description
SC NATS 1870 (lecture) Monday, October 5 , 2009 1. Sketch a helium atom, and label all parts.  Hydrogen  1p 1e-  Helium  2p 2n 2e- 2. Sketch a hydrogen atom whose electron is absorbing a photon and jumping 2 levels. 3. Describe why a red paper appears red.  Chromaphoric molecule  Dye molecules, electrons jump from lower to higher levels  Surface color, reflects back to our eye  Red dye pigment reflect red wavelength, absorbs blue & green 4. Describe what happens when blue and yellow paint are mixed. What is the resulting co
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