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Orbital Shapes and Energies (College)

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Orbital Shapes and Energies

1. 
Which of the following defines an orbital?
  1. The surface containing 80% of the total electron probability
  2. The surface containing 76% of the total electron probability
  3. The surface containing 90% of the total electron probability
  4. The surface containing 50% of the total electron probability
 
2. 
Which of the following has a spherical shape?
  1. s
  2. d
  3. p
  4. f
3. 
Which of the following combinations of n, l, and [math]m_l[/math] could lead to the orbital shown?
Single-Electron Orbitals - S
  1. [math]n=2, l=1, m_l=-1, 0, 1[/math]
  2. [math]n=3, l=0, m_l=0[/math]
  3. [math]n=4, l=2, m_l=-2[/math]
  4. None of the above
 
4. 
Where do p orbitals lie?
  1. on the x-axis, only
  2. on the y-axis, only
  3. on the x-axis, y-axis, and z-axis
  4. on the z-axis, only
5. 
Which of the following represents the shape of p orbitals?
  1. rings
  2. lobes
  3. spherical structures
  4. a variety of shapes
 
6. 
How many p orbitals exist?
  1. 3
  2. 6
  3. 12
  4. 5
7. 
Which combination of n, l, and [math]m_l[/math] values could represent the orbital shown?
Single-Electron Orbitals - P₋₁
  1. n=2, l=0, [math]m_l[/math]=0
  2. n=2, l=1, [math]m_l=-1[/math]
  3. n=2, l=1, [math]m_l=0[/math]
  4. n=2, l=1, [math]m_l=1[/math]
 
8. 
How many d orbitals exist?
  1. 2.5
  2. 5
  3. 10
  4. 3
9. 
Which of the following d-orbitals has the structure shown? (Ignore the label shown in the diagram.)
Single-Electron Orbitals - D₀
  1. [math]d_{xz}[/math]
  2. [math]d_{x^2 - y^2}[/math]
  3. [math]d_{z^2}[/math]
  4. [math]d_{xy}[/math]
 
10. 
How many f orbitals exist?
  1. 14
  2. 3.5
  3. 3
  4. 7
11. 
Which of the following represents the lowest combination of n and l values in which the following orbital can exist?
Single-Electron Orbitals - F₋₁
  1. n=3 and l=2
  2. n=4 and l=2
  3. n=1 and l=0
  4. n=4 and l=3
 
12. 
Which combination of n, l, and [math]m_l[/math] values could represent the orbital shown?
Single-Electron Orbitals - F₃
  1. n=3, l=2, and [math]m_l=-2[/math]
  2. n=3, l=0, and l=0
  3. n=4, l=3, and [math]m_l=3[/math]
  4. n=4, l=1, and [math]m_l=-1[/math]
13. 
Two orbitals with the same value of n for an atom of hydrogen are called                                             .
 
14. 
The five possible d orbitals are [math]d_{xz} , d_{xy}, d_{yz}, d_{x^2-y^2}, and d_{z^2}[/math].
  1. True
  2. False
15. 
Name all of the possible values of n and l for the orbital that is shown.
Single-Electron Orbitals - P₋₁





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