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If we start with 1.000 g of strontium-90,0.953 g will remain after 2.00 yr.This means that the half-life of strontium-90 is ________ yr.


A) 1.45
B) 2.10
C) 28.8
D) 1.91
E) 41.6

Correct Answer

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Determine the identity of the daughter nuclide from the alpha decay of Determine the identity of the daughter nuclide from the alpha decay of Ra. A) Fr B) Ac C) Po D) Th E) Rn Ra.


A) Determine the identity of the daughter nuclide from the alpha decay of Ra. A) Fr B) Ac C) Po D) Th E) Rn Fr
B) Determine the identity of the daughter nuclide from the alpha decay of Ra. A) Fr B) Ac C) Po D) Th E) Rn Ac
C) Determine the identity of the daughter nuclide from the alpha decay of Ra. A) Fr B) Ac C) Po D) Th E) Rn Po
D) Determine the identity of the daughter nuclide from the alpha decay of Ra. A) Fr B) Ac C) Po D) Th E) Rn Th
E) Determine the identity of the daughter nuclide from the alpha decay of Ra. A) Fr B) Ac C) Po D) Th E) Rn Rn

Correct Answer

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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 C. A) B B) N C) C D) B E) N C.


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

Correct Answer

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Determine the identity of the daughter nuclide from the electron capture by Determine the identity of the daughter nuclide from the electron capture by Be. A) C B) He C) B D) Li E) B Be.


A) Determine the identity of the daughter nuclide from the electron capture by Be. A) C B) He C) B D) Li E) B C
B) Determine the identity of the daughter nuclide from the electron capture by Be. A) C B) He C) B D) Li E) B He
C) Determine the identity of the daughter nuclide from the electron capture by Be. A) C B) He C) B D) Li E) B B
D) Determine the identity of the daughter nuclide from the electron capture by Be. A) C B) He C) B D) Li E) B Li
E) Determine the identity of the daughter nuclide from the electron capture by Be. A) C B) He C) B D) Li E) B B

Correct Answer

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Identify the scientist(s) that were awarded the Nobel Prize in physics for the discovery of radioactivity in 1903.


A) Johannes Geiger, Marie Curie
B) Albert Einstein
C) Antoine-Henri Becquerel, Marie Curie, Pierre Curie
D) Ernest Rutherford, Johannes Geiger
E) Galileo Galilei

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) 1.74 × 102 minutes
C) 1.32 × 102 minutes
D) 3.00 × 102 minutes
E) 2.11 × 102 minutes

Correct Answer

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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

Correct Answer

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Identify the following diagnostic procedure that gives the lowest dose of radiation.


A) dental x-ray - panoramic
B) upper gastrointestinal tract x-ray
C) chest x-ray
D) mammogram
E) x-ray after barium enema

Correct Answer

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The half-life of tungsten-177 is 132 min.After 180 minutes,you have 302 mg left.How much material must you have started out with?


A) 532 mg
B) 43.1 mg
C) 777 mg
D) 553 mg
E) 684 mg

Correct Answer

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Write a nuclear equation to describe the neutron induced fission of U-235 to form Xe-134 and Sr-100.Determine how many neutrons are produced in the reaction.


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

Correct Answer

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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 P. A) P B) S C) S D) Si E) Al P.


A) Determine the identity of the daughter nuclide from the beta decay of P. A) P B) S C) S D) Si E) Al P
B) Determine the identity of the daughter nuclide from the beta decay of P. A) P B) S C) S D) Si E) Al S
C) Determine the identity of the daughter nuclide from the beta decay of P. A) P B) S C) S D) Si E) Al S
D) Determine the identity of the daughter nuclide from the beta decay of P. A) P B) S C) S D) Si E) Al Si
E) Determine the identity of the daughter nuclide from the beta decay of P. A) P B) S C) S D) Si E) Al Al

Correct Answer

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


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

Correct Answer

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Nuclides below the valley of stability can become more stable through which of the following processes?


A) gamma emission
B) beta emission
C) positron emission
D) neutron emission
E) neutron bombardment

Correct Answer

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Calculate the mass defect in Mo-96 if the mass of a Mo-96 nucleus is 95.962 amu.The mass of a proton is 1.00728 amu and the mass of a neutron is 1.008665 amu.


A) 0.197 amu
B) 0.795 amu
C) 0.212 amu
D) 0.812 amu
E) 0.188 amu

Correct Answer

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Identify the technique used to predict the age of the Shroud of Turin.


A) uranium-238 to lead-206
B) potassium-40 to argon-40
C) carbon-14 to nitrogen-14
D) none of the above
E) all of the above

Correct Answer

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Which nuclide below is most likely to decay by electron capture?


A) Which nuclide below is most likely to decay by electron capture? A) Yb B) Yb C) Yb D) Yb Yb
B) Which nuclide below is most likely to decay by electron capture? A) Yb B) Yb C) Yb D) Yb Yb
C) Which nuclide below is most likely to decay by electron capture? A) Yb B) Yb C) Yb D) Yb Yb
D) Which nuclide below is most likely to decay by electron capture? A) Yb B) Yb C) Yb D) Yb Yb

Correct Answer

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Identify the radioactive green light that glows in the dark.


A) methyl red
B) radioactivity
C) phosphorescence
D) desensitivity
E) neon

Correct Answer

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Determine the identity of the daughter nuclide from the alpha decay of Determine the identity of the daughter nuclide from the alpha decay of Th. A) U B) Pa C) Ra D) Ac E) Th Th.


A) Determine the identity of the daughter nuclide from the alpha decay of Th. A) U B) Pa C) Ra D) Ac E) Th U
B) Determine the identity of the daughter nuclide from the alpha decay of Th. A) U B) Pa C) Ra D) Ac E) Th Pa
C) Determine the identity of the daughter nuclide from the alpha decay of Th. A) U B) Pa C) Ra D) Ac E) Th Ra
D) Determine the identity of the daughter nuclide from the alpha decay of Th. A) U B) Pa C) Ra D) Ac E) Th Ac
E) Determine the identity of the daughter nuclide from the alpha decay of Th. A) U B) Pa C) Ra D) Ac E) Th Th

Correct Answer

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technetium-99m can be used to label antibodies in order to help locate infections.What type of emission is associated with technetium-99m?


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

Correct Answer

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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

Correct Answer

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