29. . Allotropes differ in which of the following properties: A. Electronegativity B. Crystal Structure C. Atomic Mass D. Atomic Number

Principles of Modern Chemistry
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ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
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Chapter19: Nuclear Chemistry
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29. . Allotropes differ in which of the following properties:

A. Electronegativity

B. Crystal Structure

C. Atomic Mass

D. Atomic Number

 

30. When 235U is bombarded with one neutron, fission occurs and the products are three neutrons, 94Kr, and ___ . *

A. 139Ba

B. 141Ba

C. 139Ce

D. 139Xe

E. 142I

 

31. The actual mass of a 37Cl atom is 36.966 amu. Calculate the mass defect (amu/atom) for a 37Cl atom. *

A. 0.623 amu

B. 0.388 amu

C. 0.263 amu

D. 0.341 amu

E. none of these

 

 

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