Identifying Isotopic Compositions
Chapter 2-3
University of Arkansas at Little Rock
Dr. Robert Belford and Casey Hawkins




Question 1
There are ____ protons, ____ neutrons, and ____ electrons in 48Ti.
(A)  22, 22, 26
(B)  26, 22, 26
(C)  22, 26, 22
(D)  24, 24, 24
 

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Question 2
There are ____ protons, ____ neutrons, and ____ electrons in 116Sn+2.
(A)  50, 66, 50
(B)  50, 66, 48
(C)  50, 66, 52
(D)  58, 58, 56
 

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Question 3
There are ____ protons, ____ neutrons, and ____ electrons in 31P-3.
(A)  15, 16, 18
(B)  15, 16, 15
(C)  15, 16, 12
(D)  16, 15, 19
 

Your response
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Question 4
There are ____ protons, ____ neutrons, and ____ electrons in 68Ga.
(A)  34, 34, 34
(B)  37, 31, 31
(C)  37, 31, 37
(D)  31, 37, 31
 

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Question 5
There are ____ protons, ____ neutrons, and ____ electrons in 112Cd+2.
(A)  48, 64, 50
(B)  48, 64, 48
(C)  48, 64, 46
(D)  56, 56, 54
 

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Question 6
There are ____ protons, ____ neutrons, and ____ electrons in 34S-2.
(A)  16, 18, 14
(B)  16, 18, 18
(C)  16, 18, 16
(D)  17, 17, 19
 

Your response
Not answered yet