Chemistry
Atomic Structure
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#17 The azimuthal quantum number l determines the orbital:
A) Size
B) Shape
C) Orientation
D) Spin
Answer: B
#18 The magnetic quantum number m indicates the:
A) Spin of electron
B) Shape of orbital
C) Orientation of orbital
D) Size of orbital
Answer: C
#19 The spin quantum number has possible values of:
A) +1 and -1
B) 0 only
C) +1/2 or -1/2
D) Any real number
Answer: C
#20 The number of orbitals in a subshell equals:
A) n
B) 2n
C) 2l + 1
D) n + l
Answer: C
#21 Total orbitals in a shell are given by:
A) n^2
B) 2n^2
C) 4l + 2
D) 2n
Answer: A
#22 Maximum number of electrons in a shell equals:
A) n^2
B) 2n^2
C) 2n
D) 4n
Answer: B
#23 No two electrons in an atom can have the same set of four quantum numbers. This is the:
A) Hund rule
B) Pauli exclusion principle
C) Aufbau principle
D) Octet rule
Answer: B
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