7.3: Quantum Numbers
Chapter 7

Dr. Robert Belford




Question 1
What is the Principle Quantum number (n) of the first shell to have d orbitals?
(A)  1
(B)  2
(C)  3
(D)  4
 
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Question 2
S orbitals have an azimuthal quantum number(L) of
(A)  0
(B)  1
(C)  2
(D)  3
 
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Question 3
p orbitals have an azimuthal quantum number (L) of:
(A)  0
(B)  1
(C)  2
(D)  3
 
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Question 4
d orbitals have an azimuthal quantum (L) number of
(A)  0
(B)  1
(C)  2
(D)  3
 
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Question 5
There are how many values of mL are there for L= 2 (d orbitals)
(A)  1
(B)  2
(C)  5
(D)  7
 
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Question 6
Which quantum number describes the "shells" and "size" of orbitals
(A)  principle
(B)  azimuthal
(C)  magnetic
(D)  spin
 
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Question 7
Which quantum number describes the shapes of the orbitals
(A)  principle
(B)  azimuthal
(C)  magnetic
(D)  spin
 

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Question 8
Which quantum number describes the orientation of an orbital
(A)  principle
(B)  azimuthal
(C)  magnetic
(D)  spin
 

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Question 9
The places where electron probabilty distribution functions are zero are called
(A)  orbitals
(B)  wavefunctions
(C)  nodes
(D)  null points
 
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Question 10
Which quantum number determines the energy of an electron in a hydrogen atom?
(A)  n
(B)  L
(C)  mL
(D)  ms
 
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Question 11
The spin quantum number is a result of:
(A)  Aufbau Principle
(B)  Pauli Exclusion Principle
(C)  Heisenberg Uncertainty Principle
(D)  Mendeleev's Principle
 
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