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Radioactivity
Test Description: Review for Chapter 12!
Instructions: Answer all questions to get your test result.
1) Process in which nuclei split apart...
A
Fusion
B
Alpha decay
C
Beta Decay
D
Fission
2) Charge of an alpha particle
A
-2
B
+2
C
0
D
-1
3) Process in which nuclei join together...
A
alpha decay
B
fusion
C
gamma rays
D
fission
4) Type of radiation that has the most penetrating power.
A
gamma
B
alpha
C
beta
D
sigma
5) Isotope have a different number of ____.
A
neutrons
B
electrons
C
positrons
D
protons
6) What type of radiation can be stopped with a sheet of aluminum?
A
half-life
B
alpha
C
beta
D
gamma
7) Which description describes gamma radiation?
A
a hydrogen nucleus being emitted
B
electromagnetic waves
C
a helium nucleus being emitted
D
an electrom being emitted
8) In alpha radiation, the atomic mass changes by ___.
A
1
B
3
C
2
D
4
9) In beta radiation, the atomic number changes by ___.
A
2
B
3
C
0
D
1
10) Which of the following is an example of gamma radiation?
A
sun
B
X-rays
C
aotmic bombs
D
stars
*select an answer for all questions
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