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26 Cards in this Set
- Front
- Back
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What is the half-life (t1/2) for H-3?
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12.6 years
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What is the principle emission / mode of decay for H-3?
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Pure Beta Emitter
Beta Minus -> 0.0186 MeV |
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What is the half-life (t1/2) for C-14?
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5730 years
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What is the principle emission / mode of decay for C-14?
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Pure Beta Emitter
Beta minus -> 0.157 MeV |
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What is the half-life (t1/2) for I-131?
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8.04 days
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What is the principle emission / mode of decay for I-131?
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Beta minus -> 608 keV
Gamma -> 364.5 keV |
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What is the half-life (t1/2) for P-32?
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14.28 days
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What is the principle emission / mode of decay for P-32?
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Pure Beta Emitter
Beta minus -> 1.709 MeV |
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What is the half-life (t1/2) for Cs-137?
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30.17 years
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What is the principle emission / mode of decay for Cs-137?
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Beta minus -> 0.514 MeV (95%)
1.17 MeV (5%) Delayed gamma -> 661.7 keV |
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What is the half-life (t1/2) for Sr-90?
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29.1 years
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What is the principle emission / mode of decay for Sr-90?
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Pure Beta Emitter
Beta minus -> 546 keV |
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What is the half-life (t1/2) for Tc-99m?
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6 hours
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What is the principle emission / mode of decay for Tc-99m?
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Gamma -> 140.5 keV
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What is the half-life (t1/2) for Mo-99?
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2.75 days
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What is the principle emission / mode of decay for Mo-99?
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Beta minus -> 0.4 MeV
Gamma -> 140.5 keV, 739.5 keV |
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What is the half-life (t1/2) for I-125?
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60.1 days
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What is the principle emission / mode of decay for I-125?
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Gamma -> 35.5 keV
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What is the half-life (t1/2) for Ba-133?
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10.53 years
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What is the principle emission / mode of decay for Ba-133?
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Gamma -> 356 keV, 81 keV, 302.9 keV
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What is the half-life (t1/2) for Ra-226?
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1600 years
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What is the principle emission / mode of decay for Ra-226?
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Alpha -> 4.78 MeV
Gamma -> 186.1 keV |
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What is the half-life (t1/2) for Rb-88?
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17.7 minutes
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What is the half-life (t1/2) for U-238?
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4.47 x 10^9 years
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What is the half-life (t1/2) for Mn-54?
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312 days
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What is the half-life (t1/2) for Cs-137?
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30.17 years
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