Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN: 9781133949640
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Chapter 7, Problem 12PS

What is the maximum number of electrons that can be identified with each of the following sets of quantum number? In some cases, the answer may be “none”. In such cases, explain why “none” is the correct answer.

  1. (a) n = 3
  2. (b) n = 3 and = 2
  3. (c) n = 4, = 1, m = ‒1, and ms = +1/2
  4. (d) n = 5, = 0, m = ‒1, ms = +1/2
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Calculate the energy of electron in hydrogen at quantum levels: (i) n = 1; (ii) n = 2, and (iii) n = 5, according to the Bohr’s model.(b) What is the energy change (E, in Joule) when an electron jumps from quantum level n = 5 to n = 2? Is energy gained or lost by the electron. (c) If energy is gained or lost in the form of electromagnetic radiation, what are the wavelength (; in nm) and frequency (; in s–1) of this radiation?(d) What is the longest wavelength (, in nm) of light that would have sufficient energy to excite an electron from energy level E1 to E; where E∞ = 0.0 J is the edge of the atom
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Chapter 7 Solutions

Chemistry & Chemical Reactivity

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