Orbital Shapes and Energies (College)
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Orbital Shapes and Energies
1.
Which of the following defines an orbital?
- The surface containing 80% of the total electron probability
- The surface containing 76% of the total electron probability
- The surface containing 90% of the total electron probability
- The surface containing 50% of the total electron probability
2.
Which of the following has a spherical shape?
- s
- d
- p
- f
3.
Which of the following combinations of n, l, and [math]m_l[/math] could lead to the orbital shown?

- [math]n=2, l=1, m_l=-1, 0, 1[/math]
- [math]n=3, l=0, m_l=0[/math]
- [math]n=4, l=2, m_l=-2[/math]
- None of the above
4.
Where do p orbitals lie?
- on the x-axis, only
- on the y-axis, only
- on the x-axis, y-axis, and z-axis
- on the z-axis, only
5.
Which of the following represents the shape of p orbitals?
- rings
- lobes
- spherical structures
- a variety of shapes
6.
How many p orbitals exist?
- 3
- 6
- 12
- 5
7.
Which combination of n, l, and [math]m_l[/math] values could represent the orbital shown?

- n=2, l=0, [math]m_l[/math]=0
- n=2, l=1, [math]m_l=-1[/math]
- n=2, l=1, [math]m_l=0[/math]
- n=2, l=1, [math]m_l=1[/math]
8.
How many d orbitals exist?
- 2.5
- 5
- 10
- 3
9.
Which of the following d-orbitals has the structure shown? (Ignore the label shown in the diagram.)

- [math]d_{xz}[/math]
- [math]d_{x^2 - y^2}[/math]
- [math]d_{z^2}[/math]
- [math]d_{xy}[/math]
10.
How many f orbitals exist?
- 14
- 3.5
- 3
- 7
11.
Which of the following represents the lowest combination of n and l values in which the following orbital can exist?

- n=3 and l=2
- n=4 and l=2
- n=1 and l=0
- n=4 and l=3
12.
Which combination of n, l, and [math]m_l[/math] values could represent the orbital shown?

- n=3, l=2, and [math]m_l=-2[/math]
- n=3, l=0, and l=0
- n=4, l=3, and [math]m_l=3[/math]
- 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].
- True
- False
15.
Name all of the possible values of n and l for the orbital that is shown.

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