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PS Ch 10 Nuclear Changes
Test Description: .
Instructions: Answer all questions to get your test result.
1) radioactive tracers are short lived
A
tumors
B
rays
C
drugs
D
isotopes
2) the use of nuclear reactors to generate electricity is
A
totally safe
B
found only in the USA
C
found in dozens of coutries
D
decreasing rapidly
3) negatively charged, ejected from the nucleus at high speed
A
beta particle
B
gamma ray
C
neutron emission
D
alpha particle
4) high energy, with no mass or charge
A
alpha particle
B
gamma ray
C
beta particle
D
neutron emission
5) positively charged, composed of protons and neutrons
A
neutron emission
B
gamma ray
C
beta particle
D
alpha particle
6) non ionizing, with mass but no charge
A
alpha particle
B
gamma ray
C
beta particle
D
neutron emission
7) the process by which the sun produces energy
A
mass defect
B
fusion
C
fission
D
critical mass
8) the minimum amount of a substance that can sustain a fission reaction
A
mass defect
B
fission
C
critical mass
D
fusion
9) the splitting of a large nucleus into smaller nuclei, releasing neutrons and energy
A
fusion
B
fission
C
mass defect
D
critical mass
10) the small amount of mass that is converted to energy when nuclei form
A
fusion
B
fission
C
critical mass
D
mass defect
*select an answer for all questions
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