Identifying Isotopic Composition
Chapter 2-6
University of Arkansas at Little Rock
Dr. Robert Belford and Suchita Desai



Question 1
1. 17P, 17N, 18e-
(A)  34Cl-
(B)  34F-
(C)  35Cl-
(D)  none of the above
 

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Question 2
2. 34P, 44N, 34e-
(A)  68Se
(B)  78Br
(C)  78Se
(D)  78Se
 

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Question 3
3. 82P, 128N, 78e-
(A)  160Hg+2
(B)  210Pb+4
(C)  160Pb+2
(D)  210Pb-4
 

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Question 4
4. 7P, 6N, 10e-
(A)  17N-3
(B)  13N+4
(C)  17N-4
(D)  13N-3
 

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Question 5
5. 92P, 143N, 92e-
(A)  225Ul+3
(B)  133U
(C)  225U
(D)  235U
 

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Question 6
6. 27P, 32n, 25e-
(A)  59Co+2
(B)  59Co+3
(C)  52Co+2
(D)  52Co+3
 

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