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Unformatted text preview: Which Chapter/Sections are covered? Chapters 1-3 (chapter 4 is important that you know but this was not on HW1 nor will it be on the exam). Most of the exam (~80%) will be on Chapter 12. All the material on the exam has been covered in homeworks 1, 2, and 3. Concentrate on the subject matter emphasized in class and on the homeworks. Come in mentally prepared to answer at least 20 questions, maybe a few more. Yes, there will be calculations, but most of the exam will be theory and concepts. You need to understand the theory and concepts to the level at which we studied it. I dont expect you to solve the Schrdinger equation, but I do think you should understand what it meant towards modern atomic theory. And, just because you got a homework question right does not necessarily mean you really understand the material. Try explaining the concepts to someone else to see if you really understand. Energy traveling at the speed of light Know what electromagnetic radiation is and how we depict it on the page and conceptually. Know the basics of the entire electromagnetic spectrum (see Figure 12.3, p. 512). Know the approximate wavelengths for each type of radiation given (LOOK at that figure). Know also, that visible light is in the 400-700 nm range (thats blue end to red end). Other than the two ends, I do not expect you to know the wavelengths of all the colors of the rainbow however, you SHOULD know the ordering of the colors (think Roy G. Biv). Know the two basic equations that describe electromagnetic radiation: E = h c = Know how to use this equations to calculate various wavelengths, frequencies, and energies of photons. Know the two views of electromagnetic radiation: as a wave and as a particle (photons) Do all moving particles have wavelength? Yes. Louis de Broglie said if light can be treated as a particle (photon) then why not the other way around? Any moving particle with mass and velocity should have a corresponding wavelength. = h p = h mv where p is momentum ( p = mv ) The most important moving object for us is the electron. Now we can treat the electron as a wave. When confined to the region around the nucleus, the electron behaves as a standing wave. What is the essence (observations) of the photoelectric effect? (p. 515) How did Einstein explain this effect?...
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This note was uploaded on 04/08/2008 for the course CH 301 taught by Professor Fakhreddine/lyon during the Fall '07 term at University of Texas at Austin.
- Fall '07