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PS Ch 10 Nuclear Changes
Test Description: .
Instructions: Answer all questions to get your test result.
1) In a stable nucleus, the attractive forces are ___ the repulsive forces
A
stronger than
B
cancelled out by
C
equal to
D
weaker than
2) during fission, some of the nuclear mass is converted into
A
energy
B
heavier nuculei
C
protons
D
critical mass
3) in nuclear fission ____losses in mass produce ______ amounts of energy
A
large, small
B
small, large
C
large, large
D
small, small
4) a nuclear chain reaction occurs when excess ____ collides with other nuclei
A
protons
B
neutrons
C
nuclei
D
gamma rays
5) fusion produces ___ nuclei
A
all of the answers are correct
B
smaller
C
same sized
D
larger
6) which of the following is not a source of natural background radiation
A
soil
B
the sun
C
x ray machines
D
rocks
7) a persons exposure to radiation can be affected by
A
where he/she lives
B
all of the answers are correct
C
whether he/she smokes
D
what his/her job is
8) which of the following is a advantage of nuclear energy as a power source?
A
nuclear waste is not radioactive
B
nuclear waste can be stored anywhere
C
nuclear energy does not produce air pollution
D
nuclear plants are low in cost
9) which of the following is a diadvantage of nuclear energy as a power source?
A
nuclear energy produces air pollution
B
nuclear energy produces less energy thaqn the burning of coal
C
the fuel source is very limited
D
nuclear waste must be safely stored
10) the nuclear power used for electricity is produced by
A
a chemical reaction
B
fusion
C
fission
D
radon gas
*select an answer for all questions
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