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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
Alpha decay
B
Fusion
C
Beta Decay
D
Fission
2) Charge of an alpha particle
A
+2
B
0
C
-1
D
-2
3) Process in which nuclei join together...
A
fission
B
alpha decay
C
fusion
D
gamma rays
4) Type of radiation that has the most penetrating power.
A
sigma
B
beta
C
alpha
D
gamma
5) Isotope have a different number of ____.
A
electrons
B
positrons
C
neutrons
D
protons
6) What type of radiation can be stopped with a sheet of aluminum?
A
gamma
B
beta
C
alpha
D
half-life
7) Which description describes gamma radiation?
A
an electrom being emitted
B
a hydrogen nucleus being emitted
C
electromagnetic waves
D
a helium nucleus 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
3
B
0
C
2
D
1
10) Which of the following is an example of gamma radiation?
A
X-rays
B
stars
C
aotmic bombs
D
sun
*select an answer for all questions
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