8.1: Electron Configurations
Chapter 8

Dr. Robert E. Belford




Question 1
What is the electron configuration of nitrogen?
(A)  [He]:1s22s22p3
(B)  [He]:2s22p4
(C)  [He]:2s22p2
(D)  [He]:2s22p3
 
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Question 2
How many unpaired electrons are in the ground state of nitrogen?
(A)  0
(B)  1
(C)  2
(D)  3
 
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Question 3
How many unpaired electrons are in the ground state of fluorine?
(A)  0
(B)  1
(C)  3
(D)  7
 
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Question 4
How many unpaired electrons are in the ground state of oxygen?
(A)  0
(B)  1
(C)  2
(D)  4
 
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Question 5
What is the electron configuration of Titanium?
(A)  [Ar]: 4s24d2
(B)  [Ar]: 4s13d3
(C)  [Ar]: 4s23d2
(D)  [Ar]: 4s4
 

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Question 6
What is the electron configuration of Chromium?
(A)  [Ar]: 4s23d4
(B)  [Ar]: 4s13d5
(C)  [Ar]: 4s24d4
(D)  [Ar]: 4s14d5
 
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Question 7
What is the electron configuration of zinc?
(A)  [Ar]: 4s24d2
(B)  [Ar]: 4s23d10
(C)  [Ar]: 3d23p2
(D)  [Ar]: 3d24p2
 

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Question 8
what is the electron configuration of copper?
(A)  [Ar]: 4s13d10
(B)  [Ar]: 4s23d9
(C)  [Ar]: 4s14d10
(D)  [Ar]: 4s24d9
 

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Question 9
What is the electron configuration of Radon?
(A)  [Xe]: 6s26f146d106p6
(B)  [Xe]: 6s25f145d106p6
(C)  [Xe]: 6s25f146d106p6
(D)  [Xe]: 6s24f145d106p6
 

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Question 10
How many unpaired electrons are in Chromium?
(A)  0
(B)  1
(C)  5
(D)  6
 

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Question 11
How many unpaired electrons are in copper?
(A)  0
(B)  1
(C)  4
(D)  9
 

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