1. The nuclide Th is radioactive. When one of these atoms decays, a

Review for Departmental Final Exam
Please review your old exams questions and the questions below, in addition to working problems from
the text.
Review questions from chapters 19 & 21
1. The nuclide
Th is radioactive. When one of these atoms decays, a series of  and -particle
emissions occurs, taking the atom through many transformations to end up as an atom of
How many  particles are emitted in converting
A) 6
B) 8
C) 2
D) 214
E) 4
2. Which of the following is a product of  decay of
A)
Th
B)
Np
C)
Pa
D)
U
E)
Pu
3. Electron capture transforms
A)
Ca
B)
Ar
C)
He
D)
K–
E)
Ca
Th into
Pb.
Pb?
U?
K into what nuclide?
4. Which of the following processes decreases the atomic number by one?
A) gamma-ray production
B) electron capture
C) beta-particle production
D) positron production
E) at least two of the above processes
5. A radioactive isotope of vanadium, V, decays by producing a  particle and gamma ray. The
nuclide formed has the atomic number:
A) 22
B) 21
C) 23
D) 24
E) none of these
6. Name the following:
A)
B)
C)
D)
E)
isopropane
methylpentane
methylbutane
n-pentane
dodecane
7. Name the following:
A)
B)
C)
D)
E)
2,4-diethylpentane
3,5-dimethylheptane
secondary ethylpentane
2,3-dimethyl-2,3-diethylpropane
none of these
8. Name the following:
A)
B)
C)
D)
E)
1,1,1-trichloro-5-bromo-3-pentene
1-bromo-5,5,5-trichloro-2-pentene
1,1,1-trichloro-5-bromo-2-pentene
1,1,1-trichloro-5-bromo-3-pentyne
none of these
9. CH3C  CCH2CH2Cl is named:
A) 1-chloro-3-pentyne
B) 5-chloro-2-pentene
C) 1-acetylenyl-3-chloropropane
D) 5-chloro-2-pentyne
E) 1-chloro-3-pentene
10. Name the following:
A)
B)
C)
D)
E)
methyl alcohol
ethyl alcohol
propyl alcohol
isopropyl alcohol
butanol
ANSWERS:
1.A 2.A 3.B 4.E 5.D 6.C 7.B 8.B 9.D 10.C