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