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Chemistry: A Molecular Approach, 1 st Edition Nivaldo J. Tro

Chemistry: A Molecular Approach, 1 st Edition Nivaldo J. Tro. Chapter 7. The Quantum-Mechanical Model of the Atom. Determine the wavelength (in nm) of an X-ray with a frequency of 4.2 x 10 18 Hz. 7.1 x 10 – 11 7.1 x 10 – 2 1.3 x 10 27 1.4 x 1 0 10 7.1 x 10 – 18.

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Chemistry: A Molecular Approach, 1 st Edition Nivaldo J. Tro

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  1. Chemistry: A Molecular Approach, 1st Edition Nivaldo J. Tro Chapter 7 The Quantum-Mechanical Model of the Atom

  2. Determine the wavelength (in nm) of an X-ray with a frequency of 4.2 x 1018Hz. • 7.1 x 10–11 • 7.1 x 10–2 • 1.3 x 1027 • 1.4 x 1010 • 7.1 x 10–18 Tro Chemistry: A Molecular Approach

  3. Determine the wavelength (in nm) of an X-ray with a frequency of 4.2 x 1018Hz. • 7.1 x 10–11 • 7.1 x 10–2 • 1.3 x 1027 • 1.4 x 1010 • 7.1 x 10–18 Tro Chemistry: A Molecular Approach

  4. A major league pitcher throws a 148.8 g baseball at a speed of 92.5 mph (41.4 m/s). What is the de Broglie wavelength of the baseball in meters? • 4.81 x 10–38 • 4.81 x 10– 41 • 1.08 x 10– 34 • 1.08 x 10– 37 • 1.08 x 10– 40 Tro Chemistry: A Molecular Approach

  5. A major league pitcher throws a 148.8 g baseball at a speed of 92.5 mph (41.4 m/s). What is the de Broglie wavelength of the baseball in meters? • 4.81 x 10–38 • 4.81 x 10– 41 • 1.08 x 10– 34 • 1.08 x 10– 37 • 1.08 x 10– 40 Tro Chemistry: A Molecular Approach

  6. An electron in a hydrogen atom in the n = 6 energy level emits 109.4 kJ/ mol of energy in a transition to a lower energy level. To what energy level does the electron fall? • 1 • 2 • 3 • 4 • 5 Tro Chemistry: A Molecular Approach

  7. An electron in a hydrogen atom in the n = 6 energy level emits 109.4 kJ/ mol of energy in a transition to a lower energy level. To what energy level does the electron fall? • 1 • 2 • 3 • 4 • 5 Tro Chemistry: A Molecular Approach

  8. Which of the following transitions for an electron in a hydrogen atom would release the largest quantum of energy? • n = 3 → n = 1 • n = 4 → n = 3 • n = 1 → n = 4 • n = 2 → n = 1 Tro Chemistry: A Molecular Approach

  9. Which of the following transitions for an electron in a hydrogen atom would release the largest quantum of energy? • n = 3 → n = 1 • n = 4 → n = 3 • n = 1 → n = 4 • n = 2 → n = 1 Tro Chemistry: A Molecular Approach

  10. Which of the following is NOT an allowed set of quantum numbers? • n = 4 l = 3 ml= 3 • n = 1 l = 0 ml= 0 • n = 5 l = 4 ml= – 2 • n = 2 l = 1 ml= 0 • n = 3 l = 3 ml= – 2 Tro Chemistry: A Molecular Approach

  11. Which of the following is NOT an allowed set of quantum numbers? • n = 4 l = 3 ml= 3 • n = 1 l = 0 ml= 0 • n = 5 l = 4 ml= – 2 • n = 2 l = 1 ml= 0 • n = 3 l = 3 ml = – 2 Tro Chemistry: A Molecular Approach

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