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Ch.25 Nuclear Changes Part 3
Test Description: Nuclear Changes and Radioactivity
Instructions: Answer all questions to get your test result.
1) isotopes have the same bumber of protons but a different number of ___________?
A
electrons
B
megatrons
C
neutrons
D
radiations
2) Radioactivity can be harmful and cause disease because it affects?
A
cells
B
water
C
air
D
blood
3) The process in which an atom loses radiation and becomes another element is known as _______________?
A
transmutation
B
chain reaction
C
fission
D
fusion
4) Radioactive dating uses half life of different radioactive materials to test the ______________ of a sample.
A
age
B
purity
C
nuclear stability
D
radioactivity
5) When a radio isotope is used to find or keep track of molecules in an organism.
A
Tracer
B
Nuclear Fusion
C
geiger counter
D
Nuclear fission
6) A device that measures the amount of radiation producing an electric current when it detects a charged particle.
A
Geiger counter
B
Nuclear fission
C
bubble chamber
D
cloud chamber
7) Detects nuclear particles by holding a super heated liquid that doesn't boil due to the high pressure.
A
Nuclear Fission
B
Cloud chamber
C
Bubble Chamber
D
Geiger Counter
8) Filled with water or ethanol vapor to detect alpha and beta particles.
A
Geiger counter
B
bubble chamber
C
cloud chamber
D
Nuclear Fission
9) Two nuclei with small masses combine to form a nucleus of a larger mass.
A
Geiger Counter
B
Nuclear fusion
C
Nuclear fission
D
Tracer
10) The process of splitting a nuclei into several smaller nuclei.
A
Nuclear Fusion
B
Tracer
C
Nuclear Fission
D
Cloud chamber
*select an answer for all questions
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