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General Organic and Biochemistry

Chemistry

Quiz 9 :

The Nucleus, radioactivity, and Nuclear Medicine

Quiz 9 :

The Nucleus, radioactivity, and Nuclear Medicine

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Control rods made of cadmium or boron moderate the fission reactions in nuclear power plants.Which of the following best describes how control rods function?
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Answer:

B

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Why are cancer cells more sensitive to radiation than normal cells?
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Answer:

A

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What product nucleus results from the alpha decay of radium-226?
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Answer:

C

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What nuclear process is used in commercial nuclear power plants to produce energy?
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Which radioactive isotope is involved in radiocarbon dating?
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A substance is described as being radioactive.What does this indicate about the substance?
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Which is the most widely used radioactive isotope in nuclear medicine?
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What is the nuclear symbol for the isotope formed when img N undergoes beta decay?
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What is the correct nuclear symbol for the unknown product "X" in the nuclear equation shown below? img U → X + img He
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Which type of radiation emitted by radioactive nuclei has no mass and no charge?
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What term is used to describe radioactive substances that are used as probes to study internal organs?
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What is the name given to the energy that is responsible for holding the protons and neutrons together in the nucleus?
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Unstable nuclei become more stable by spontaneously undergoing a change in their nucleus and emitting radiation.What is the term used to describe this process?
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When a molecule is hit by gamma radiation,which of the following is likely to occur?
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A high degree of stability is predicted for nuclei with which of the following characteristics?
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Because iodine tends to concentrate in one particular organ of the body,radioactive iodine is often used as a diagnostic tool to determine how this organ is functioning.In which organ does iodine tend to concentrate?
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Which type of radiation is negatively charged?
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The isotope img Tc decays to img Tc by emitting radiation.What type of radiation is emitted?
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Which type of radiation has the greatest penetrating power?
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Which phrase best describes a metastable isotope?
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