Quiz 4 - Quiz 4 covering chapter 6 - 7 Spring 2008 1. The...

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Quiz 4 covering chapter 6 - 7 Spring 2008 1. The process of removing an electron from a stable nucleus is known as * a. ionization. b. Doppler broadening. c. collisional broadening. d. a red shift. e. quantum mechanics. 2. An atom that is excited a. is also ionized. b. is an isotope. c. has had its electron moved to the lowest energy level. * d. can emit a photon when the electron moves to a lower energy level. e. can emit a photon when the electron moves to a higher energy level. 3. The lowest energy level in an atom is a. the absolute zero temperature. * b. the ground state. c. the ionization level. d. responsible for Doppler shifts. e. the energy level from which the Paschen series of hydrogen originates. 4. Why don't we see hydrogen Balmer lines in the spectra of stars with temperatures of 3,200 K? a. There is no hydrogen in stars this cool. b. The stars are hot enough that most of the hydrogen is ionized and the atoms cannot absorb energy. * c.
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This note was uploaded on 04/02/2008 for the course ASTRO 103 taught by Professor Tweedale during the Spring '08 term at Wisconsin Milwaukee.

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Quiz 4 - Quiz 4 covering chapter 6 - 7 Spring 2008 1. The...

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