1. How many nodal planes are associated with an f orbital in the simple angular-node description?
A.
Zero
B.
One
C.
Two
D.
Three
Correct Answer:
Three
2. Which statement about f-orbital shapes is correct?
A.
They are all spherical
B.
They are generally more complicated than d-orbital shapes
C.
They have no lobes
D.
They are all identical in orientation
Correct Answer:
They are generally more complicated than d-orbital shapes
3. An f orbital with eight distinct lobes is best described as:
A.
Spherical
B.
Dumbbell-shaped
C.
Multi-lobed
D.
Ring-shaped only
Correct Answer:
Multi-lobed
4. Which feature helps distinguish f orbitals from p orbitals?
A.
F orbitals have more angular nodes
B.
F orbitals have no electron density
C.
F orbitals are always spherical
D.
F orbitals contain no lobes
Correct Answer:
F orbitals have more angular nodes
5. The shape of an f orbital represents the three-dimensional distribution of:
A.
Protons
B.
Neutrons
C.
Electron probability
D.
Nuclear charge only
Correct Answer:
Electron probability
6. Which f orbital name indicates a shape involving the x, y, and z coordinates?
A.
fxyz
B.
2s
C.
px
D.
dxy
Correct Answer:
fxyz
7. Why do f orbitals have several lobes?
A.
Because their angular part has a complex distribution
B.
Because they contain several nuclei
C.
Because electrons are positively charged
D.
Because they have no nodes
Correct Answer:
Because their angular part has a complex distribution
8. Which orbital type is expected to have the most complicated shape among s, p, d, and f orbitals?
A.
s orbital
B.
p orbital
C.
d orbital
D.
f orbital
Correct Answer:
f orbital
9. The lobes of an f orbital are separated by regions called:
A.
Nodal surfaces
B.
Nuclei
C.
Shells
D.
Protons
Correct Answer:
Nodal surfaces
10. Which statement correctly describes the orientations of f orbitals?
A.
There is only one possible orientation
B.
They have several possible orientations in space
C.
They can exist only along the z-axis
D.
They have no definite spatial distribution
Correct Answer:
They have several possible orientations in space
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