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Match it! Select the correct answer from the pull down...Good luck!
Which interaction of nature holds the planets, stars, and galaxies together, even though its effect on elementary particles is negligible?
absorbs
the fuel must be processed
6 quarks and 3 leptons
protons and neutrons
they contain equal numbers of protons and neutrons
X has a smaller rate than Y
weak
2 hour
The nucleus of an atom is made up of
absorbs
the fuel must be processed
6 quarks and 3 leptons
protons and neutrons
they contain equal numbers of protons and neutrons
X has a smaller rate than Y
weak
2 hour
In order to adequately control a chain reaction, it is necessary to have within the fissionable material a nonfissionable material that _________ neutrons.
absorbs
the fuel must be processed
6 quarks and 3 leptons
protons and neutrons
they contain equal numbers of protons and neutrons
X has a smaller rate than Y
weak
2 hour
Samples of 2 different isotopesx & y both contain the same number of radioactive atoms. X has a half-life twice that of Y. How do their rates of radiation compare?
absorbs
the fuel must be processed
6 quarks and 3 leptons
protons and neutrons
they contain equal numbers of protons and neutrons
X has a smaller rate than Y
weak
2 hour
A radioactive material initially is observed to have an activity of 800 counts/s. If 4 h later it is ovserved to have an activity of 200 counts/s, what is its half-life?
absorbs
the fuel must be processed
6 quarks and 3 leptons
protons and neutrons
they contain equal numbers of protons and neutrons
X has a smaller rate than Y
weak
2 hour
Light nuclei are stable when
absorbs
the fuel must be processed
6 quarks and 3 leptons
protons and neutrons
they contain equal numbers of protons and neutrons
X has a smaller rate than Y
weak
2 hour
Which of the following do physicists believe are fundamental particles?
absorbs
the fuel must be processed
6 quarks and 3 leptons
protons and neutrons
they contain equal numbers of protons and neutrons
X has a smaller rate than Y
weak
2 hour
How is a fission reaction different from a fusion reaction?
absorbs
the fuel must be processed
6 quarks and 3 leptons
protons and neutrons
they contain equal numbers of protons and neutrons
X has a smaller rate than Y
weak
2 hour
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