6-74
Which pair of quantum numbers determines the energy of an electron in an orbital?
a) n and l
b) n and m
c) n and s
d) l and m
e) l and s
f) m and s
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6-75
Which of the following sets of orbitals is arranged in order of increasing energy?
a) 3d < 4s < 4p < 5s < 4d
b) 3d < 4s < 4p < 4d < 5s
c) 4s < 3d < 4p < 5s < 4d
d) 4s < 3d < 4p < 4d < 5s
e) 3d < 4s < 4p < 4d < 5s
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6-76
Which if the following orders of increasing energy is incorrect?
a) 3s < 4s < 5s
b) 5s < 5p < 5d
c) 5s < 4d < 5p
d) 6s < 4f < 5d
e) 6s < 5f < 6p
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6-77
As atomic orbitals are filled according to the aufbau principle, the 6s orbitals are
filled immediately after which of the following orbitals?
a) 4f
b) 5p
c) 5d
d) 7s
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