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1 What unit(s) is(are) used to measure radiation dose? rad b. rem c. both rad and rem d. neither rad nor rem Students type their answers here
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Radiations that produce an electric current can be measured with what type of counter? Deli b. calorie c. Geiger d. radiation 2 Students type their answers here
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3 Alpha particles have a _____ charge. −1 b. 0 c. +1 d. +2 Students type their answers here
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4 _____ is the combining of nuclei. Students type their answers here
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5 Why are boron or cadmium rods used in a nuclear fission reactor? Students type their answers here
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6 Unstable nuclei can break apart spontaneously, changing the identity of the _____ . solutions b. atoms c. compounds d. reactions Students type their answers here
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7 How many more years will it take to have grams of strontium-90? Students type their answers here
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8 The product of beta emission from a radioactive isotope of lead is _______________. Students type their answers here
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9 A nuclear reaction may involve: protons. b. neutrons. c. electrons. d. protons, neutrons and electrons. Students type their answers here
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10 _____ is the splitting of nuclei. Students type their answers here
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11 Beta particles have a _____ charge. Students type their answers here
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12 PET scans measure blood flow in which part of the body? Students type their answers here
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13 Calculate the remaining amount of 150 grams of cobalt-60 after 2700 years. The half-life of cobalt-60 is 5272 years. Students type their answers here
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14 Write the nuclear equation to describe the alpha decay of gold-215. Students type their answers here
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15 Complete the nuclear equations for bismuth-220 undergoing beta decay. Students type their answers here
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16 What type of radioactive decay does polonium-219 when it converts into astatine-219. Justify your response.
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17 Write the nuclear equation to describe the alpha decay of boron-12. Students type their answers here
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18 If the half-life for the radioactive decay of strontium-90 is 29 years and you start with a 3000 gram sample, how much will be left over after 1200 days?
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