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