1. What is the general nature of the shape of an f orbital?
A.
Spherical
B.
Dumbbell-shaped
C.
Complex and multi-lobed
D.
Cylindrical
Correct Answer:
Complex and multi-lobed
2. How many f orbitals are present in an f subshell?
A.
One
B.
Three
C.
Five
D.
Seven
Correct Answer:
Seven
3. The complex shape of an f orbital is mainly due to its having which value of the azimuthal quantum number?
A.
0
B.
1
C.
2
D.
3
Correct Answer:
3
4. How many angular nodes does an f orbital have?
A.
One
B.
Two
C.
Three
D.
Four
Correct Answer:
Three
5. Which description best represents the shape of most f orbitals?
A.
A single spherical cloud
B.
A two-lobed cloud
C.
A four-lobed planar cloud only
D.
A complicated cloud with several lobes
Correct Answer:
A complicated cloud with several lobes
6. Which f orbital is commonly represented as having eight lobes?
A.
fxyz
B.
s orbital
C.
px orbital
D.
dz2 orbital
Correct Answer:
fxyz
7. The eight lobes of the fxyz orbital are arranged mainly between which coordinate axes?
A.
Between the x, y, and z axes
B.
Only along the x-axis
C.
Only along the z-axis
D.
Only in the xy plane
Correct Answer:
Between the x, y, and z axes
8. What is a major visual feature of f orbitals compared with s orbitals?
A.
F orbitals are always spherical
B.
F orbitals have more complicated angular shapes
C.
F orbitals have no electron cloud
D.
F orbitals are always circular rings
Correct Answer:
F orbitals have more complicated angular shapes
9. Which orbital generally has a dumbbell shape rather than an f-orbital shape?
A.
s orbital
B.
p orbital
C.
f orbital
D.
fxyz orbital
Correct Answer:
p orbital
10. The different f orbitals in an f subshell mainly differ in their:
A.
Electron charge
B.
Nuclear mass
C.
Spatial orientations and shapes
D.
Principal energy level only
Correct Answer:
Spatial orientations and shapes
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