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WorksheetsNuclear Chem Review #2
Total questions: 21
Worksheet time: 44mins
In order of most to least penetrating radiation we have
Alpha , Beta, Gamma
Beta , Gamma , Alpha
Gamma, Beta, Alpha
Gamma, Alpha, Beta
Beta particles have a _____ charge.
+2
0
+1
-1
Negatively charged particles emitted from a nucleus at a high speed during beta decay are ____ .
protons
neutrons
electrons
protons and neutrons
What particle is released when an unstable isotope undergoes alpha decay?
a helium-4 nucleus
an electron
a photon of light
a neutron
Which type of nuclear decay did Radon-198 go through?
alpha decay
beta decay
gamma decay
What will the values of x and y be?
x=194, y =83
x=194, y =84
x=194, y =85
I don't know. I should probably study this stuff more before the test.
__________________ is the process in which two or more smaller nuclei combine to create a larger, more stable nuclei.
Nuclear Decay
Nuclear Fission
Nuclear Fusion
None of the above
The sun (or any star)
Nuclear Fusion
Nuclear Fission
What is a chain reaction?
A reaction that causes a chain made from uranium to split
When atoms of uranium join together in a long chain
When neutrons from one reaction fire off to cause further reactions
The % of the parent isotope remaining after 1 Half Life.
50%
25%
12.5%
6.25%
A nucleus is stable when the ratio of neutrons to protons is ____. (assume it is a small atom)
0.5 no : 1 p+
1 no : 1 p+
2 no : 1 p+
3 no : 1 p+
