1. Name the six colors of visible light, starting with the lower wavelength. 2. Distinguish between absorption and emission of energy. 3. Do different elements have distinct atomic emission spectra? Why? 4. The only line emissions detectable by the human eye for hydrogen correspond to transitions for electrons dropping from higher energy levels down to n=2. Why? 5. Electromagnetic radiation is a form of energy. True or False. 6. Each specific wavelength of electromagnetic radiation has only one frequency corresponding to it. True or False. 7. Each specific wavelength of light has only one energy corresponding to it. True or False 8. Particles or bundles of light are called? 9. A sample of calcium is excited electrically, resulting in the emissions of light with energy. a. Calculate the frequency of this light in hertz (Hz) b. Calculate the wavelength of this light (in mm) c. Using a visible spectrum, identify the color of this light. 10. An electron in a hydrogen atom drops from energy level n=5 to n=3. a. Calculate the energy for this transition using Rydberg equation. b. Calculate the wavelength corresponding to this transition. c. Using an Electromagnetic Spectrum, identify the region in which this transition falls.

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