Test On Chapter 25 Nuclear Chemistry 10/3/10 25.1

20 Questions  I  By Verdun
Test on Chapter 25 Nuclear Chemistry 10/3/10                 25.1
Test on Chapter 25 Nuclear Chemistry 10/3/10

  
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1.  How does an unstable nuclues release energy?
A.
B.
C.
D.
2.  What are the three main types of nucear radiation?
A.
B.
C.
D.
3.  What part of an atom undergoes change during radioactive decay?
A.
B.
C.
D.
4.  How is an atomic number of a nucleus changed by alpha decay?
A.
B.
C.
D.
5.  How is the atomic number of a nucleus changed by beta decay?
A.
B.
C.
D.
6.  How is the atomic number of a nucleus changed by gamma decay?
A.
B.
C.
D.
7.  How is the atomic mass number of a nucleus changed by alpha decay?
A.
B.
C.
D.
8.  How is the atomic mass of a nucleus changed by beta decay?
A.
B.
C.
D.
9.  How is the atomic mass number of the nucleus changed by gamma delay?
A.
B.
C.
D.
10.  Which of the three kinds of radiation described in this section in the most penetrating?
A.
B.
C.
11.  Atomic numbers _________________.
A.
B.
C.
D.
12.  Mass numbers must be __________________.
A.
B.
C.
D.
13.  What particles in an atom are involved in chemical reactions?
A.
B.
C.
D.
14.  What element was named in honor of the Curies and is it radioactive ?
A.
B.
C.
D.
15.  ______________involves the transfer or sharing of elcetrons;the nuclei remains unchanged 
A.
B.
16.  ___________ involves changes in the nuclei of the atoms.
A.
B.
17.  What is radiation?
A.
B.
C.
D.
18.  _________________ worked with Marie and Pierrie to study the ability of uranium salts that had been exposed to sunlight to fog photographic film plates. 
A.
B.
C.
D.
19.  What makes a nucleus unstable?
A.
B.
C.
20.  Which kind of particle would need to be emitted to balance the equation?
A.
B.
C.
D.
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