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Determine the identity of the daughter nuclide from the positron emission of Determine the identity of the daughter nuclide from the positron emission of F. A) Na B) F C) N D) O E) Ne F.


A) Determine the identity of the daughter nuclide from the positron emission of F. A) Na B) F C) N D) O E) Ne Na
B) Determine the identity of the daughter nuclide from the positron emission of F. A) Na B) F C) N D) O E) Ne F
C) Determine the identity of the daughter nuclide from the positron emission of F. A) Na B) F C) N D) O E) Ne N
D) Determine the identity of the daughter nuclide from the positron emission of F. A) Na B) F C) N D) O E) Ne O
E) Determine the identity of the daughter nuclide from the positron emission of F. A) Na B) F C) N D) O E) Ne Ne

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What percentage of a radioactive substance remains after 7.00 half-lives have elapsed?


A) 0.391%
B) 0.78%
C) 1.56%
D) 3.12%

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Determine how many neutrons are produced during the neutron-induced fission of Determine how many neutrons are produced during the neutron-induced fission of Pu to form Kr and Ce. A) 2 B) 0 C) 3 D) 1 E) 4 Pu to form Determine how many neutrons are produced during the neutron-induced fission of Pu to form Kr and Ce. A) 2 B) 0 C) 3 D) 1 E) 4 Kr and Determine how many neutrons are produced during the neutron-induced fission of Pu to form Kr and Ce. A) 2 B) 0 C) 3 D) 1 E) 4 Ce.


A) 2
B) 0
C) 3
D) 1
E) 4

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Write a nuclear equation for the alpha decay of Write a nuclear equation for the alpha decay of Am. A) Am → He + Np B) Am → He + Bk C) Am → e + Cm D) E) Am → n + Am Am.


A) Write a nuclear equation for the alpha decay of Am. A) Am → He + Np B) Am → He + Bk C) Am → e + Cm D) E) Am → n + Am Am → Write a nuclear equation for the alpha decay of Am. A) Am → He + Np B) Am → He + Bk C) Am → e + Cm D) E) Am → n + Am He + Write a nuclear equation for the alpha decay of Am. A) Am → He + Np B) Am → He + Bk C) Am → e + Cm D) E) Am → n + Am Np
B) Write a nuclear equation for the alpha decay of Am. A) Am → He + Np B) Am → He + Bk C) Am → e + Cm D) E) Am → n + Am Am → Write a nuclear equation for the alpha decay of Am. A) Am → He + Np B) Am → He + Bk C) Am → e + Cm D) E) Am → n + Am He + Write a nuclear equation for the alpha decay of Am. A) Am → He + Np B) Am → He + Bk C) Am → e + Cm D) E) Am → n + Am Bk
C) Write a nuclear equation for the alpha decay of Am. A) Am → He + Np B) Am → He + Bk C) Am → e + Cm D) E) Am → n + Am Am → Write a nuclear equation for the alpha decay of Am. A) Am → He + Np B) Am → He + Bk C) Am → e + Cm D) E) Am → n + Am e + Write a nuclear equation for the alpha decay of Am. A) Am → He + Np B) Am → He + Bk C) Am → e + Cm D) E) Am → n + Am Cm
D) Write a nuclear equation for the alpha decay of Am. A) Am → He + Np B) Am → He + Bk C) Am → e + Cm D) E) Am → n + Am
E) Write a nuclear equation for the alpha decay of Am. A) Am → He + Np B) Am → He + Bk C) Am → e + Cm D) E) Am → n + Am Am → Write a nuclear equation for the alpha decay of Am. A) Am → He + Np B) Am → He + Bk C) Am → e + Cm D) E) Am → n + Am n + Write a nuclear equation for the alpha decay of Am. A) Am → He + Np B) Am → He + Bk C) Am → e + Cm D) E) Am → n + Am Am

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The following reaction represents what nuclear process? The following reaction represents what nuclear process? A) nuclear fission B) nuclear fusion C) electron capture D) alpha decay E) beta emission


A) nuclear fission
B) nuclear fusion
C) electron capture
D) alpha decay
E) beta emission

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Which of the following equations shows the correct relationship between the half-life of a nuclide and the radioactive decay rate constant?


A) ln Which of the following equations shows the correct relationship between the half-life of a nuclide and the radioactive decay rate constant? A) ln = - B) = - ln C) = 0.693 × k D) = E) = = - Which of the following equations shows the correct relationship between the half-life of a nuclide and the radioactive decay rate constant? A) ln = - B) = - ln C) = 0.693 × k D) = E) =
B) Which of the following equations shows the correct relationship between the half-life of a nuclide and the radioactive decay rate constant? A) ln = - B) = - ln C) = 0.693 × k D) = E) = = - ln Which of the following equations shows the correct relationship between the half-life of a nuclide and the radioactive decay rate constant? A) ln = - B) = - ln C) = 0.693 × k D) = E) =
C) Which of the following equations shows the correct relationship between the half-life of a nuclide and the radioactive decay rate constant? A) ln = - B) = - ln C) = 0.693 × k D) = E) = = 0.693 × k
D) Which of the following equations shows the correct relationship between the half-life of a nuclide and the radioactive decay rate constant? A) ln = - B) = - ln C) = 0.693 × k D) = E) = = Which of the following equations shows the correct relationship between the half-life of a nuclide and the radioactive decay rate constant? A) ln = - B) = - ln C) = 0.693 × k D) = E) =
E) Which of the following equations shows the correct relationship between the half-life of a nuclide and the radioactive decay rate constant? A) ln = - B) = - ln C) = 0.693 × k D) = E) = = Which of the following equations shows the correct relationship between the half-life of a nuclide and the radioactive decay rate constant? A) ln = - B) = - ln C) = 0.693 × k D) = E) =

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Describe what is meant by the "valley of stability."

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If a plot of number of neutrons vs. numb...

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Which of the following nuclides are most likely to decay via beta decay?


A) I-126
B) Al-24
C) N-13
D) Cs-137
E) Na-20

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Determine the identity of the daughter nuclide from the positron emission of Determine the identity of the daughter nuclide from the positron emission of O. A) C B) F C) N D) N E) C O.


A) Determine the identity of the daughter nuclide from the positron emission of O. A) C B) F C) N D) N E) C C
B) Determine the identity of the daughter nuclide from the positron emission of O. A) C B) F C) N D) N E) C F
C) Determine the identity of the daughter nuclide from the positron emission of O. A) C B) F C) N D) N E) C N
D) Determine the identity of the daughter nuclide from the positron emission of O. A) C B) F C) N D) N E) C N
E) Determine the identity of the daughter nuclide from the positron emission of O. A) C B) F C) N D) N E) C C

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The following reaction represents what nuclear process? \ The following reaction represents what nuclear process? \ H + H → He + n A) nuclear fusion B) alpha emission C) beta emission D) nuclear fission E) neutron capture H + The following reaction represents what nuclear process? \ H + H → He + n A) nuclear fusion B) alpha emission C) beta emission D) nuclear fission E) neutron capture H → The following reaction represents what nuclear process? \ H + H → He + n A) nuclear fusion B) alpha emission C) beta emission D) nuclear fission E) neutron capture He + The following reaction represents what nuclear process? \ H + H → He + n A) nuclear fusion B) alpha emission C) beta emission D) nuclear fission E) neutron capture n


A) nuclear fusion
B) alpha emission
C) beta emission
D) nuclear fission
E) neutron capture

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Match the following. -proton


A) Match the following. -proton A) e B) p C) He D) g E) n F) e e
B) Match the following. -proton A) e B) p C) He D) g E) n F) e p
C) Match the following. -proton A) e B) p C) He D) g E) n F) e He
D) Match the following. -proton A) e B) p C) He D) g E) n F) e g
E) Match the following. -proton A) e B) p C) He D) g E) n F) e n
F) Match the following. -proton A) e B) p C) He D) g E) n F) e e

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The following reaction represents what nuclear process? The following reaction represents what nuclear process? Cs + e → Xe A) beta emission B) positron emission C) gamma emission D) electron capture E) alpha capture Cs + The following reaction represents what nuclear process? Cs + e → Xe A) beta emission B) positron emission C) gamma emission D) electron capture E) alpha capture e → The following reaction represents what nuclear process? Cs + e → Xe A) beta emission B) positron emission C) gamma emission D) electron capture E) alpha capture Xe


A) beta emission
B) positron emission
C) gamma emission
D) electron capture
E) alpha capture

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Determine the identity of the daughter nuclide from the beta decay of Determine the identity of the daughter nuclide from the beta decay of Pb. A) Pt B) Tl C) Hg D) Bi E) Pb Pb.


A) Determine the identity of the daughter nuclide from the beta decay of Pb. A) Pt B) Tl C) Hg D) Bi E) Pb Pt
B) Determine the identity of the daughter nuclide from the beta decay of Pb. A) Pt B) Tl C) Hg D) Bi E) Pb Tl
C) Determine the identity of the daughter nuclide from the beta decay of Pb. A) Pt B) Tl C) Hg D) Bi E) Pb Hg
D) Determine the identity of the daughter nuclide from the beta decay of Pb. A) Pt B) Tl C) Hg D) Bi E) Pb Bi
E) Determine the identity of the daughter nuclide from the beta decay of Pb. A) Pt B) Tl C) Hg D) Bi E) Pb Pb

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The following reaction represents which nuclear process? The following reaction represents which nuclear process? A) nuclear fission B) nuclear fusion C) electron capture D) alpha decay E) beta emission


A) nuclear fission
B) nuclear fusion
C) electron capture
D) alpha decay
E) beta emission

Correct Answer

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Fluorine-18 undergoes positron emission with a half-life of 1.10 × 102 minutes. If a patient is given a 248 mg dose for a PET scan, how long will it take for the amount of fluorine-18 to drop to 83 mg? (Assume that none of the fluorine is excreted from the body.)


A) 99 minutes
B) 1.7 × 102 minutes
C) 1.3 × 102 minutes
D) 3.0 × 102 minutes
E) 2.1 × 102 minutes

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The nuclide As-76 has a half-life of 26.0 hours. If a sample of As-76 weighs 344 g, what mass of As-76 remains after 538 minutes?


A) 67.8 g
B) 271 g
C) 144 g
D) 437 g
E) 251 g

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