Chapter 2 Lecture Chapter Eleven Nuclear Chemistry Fundamentals of General, Organic, and Biological Chemistry 7th Edition Chapter 11 Clickers © 2013 Pearson.

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Presentation transcript:

Chapter 2 Lecture Chapter Eleven Nuclear Chemistry Fundamentals of General, Organic, and Biological Chemistry 7th Edition Chapter 11 Clickers © 2013 Pearson Education, Inc. Karen Ericson Indiana University–Purdue University, Fort Wayne Laurie LeBlanc Cuyamaca College McMurry, Ballantine, Hoeger, Peterson

© 2013 Pearson Education, Inc. Which of the following statements is(are) true of nuclear reactions? a.The nucleus of an atom is transformed. b.The rate of reaction is not affected by changes in temperature and pressure. c.Great amounts of energy can be produced. d.All of the above are true.

© 2013 Pearson Education, Inc. Which of the following statements is(are) true of nuclear reactions? a.The nucleus of an atom is transformed. b.The rate of reaction is not affected by changes in temperature and pressure. c.Great amounts of energy can be produced. d.All of the above are true.

© 2013 Pearson Education, Inc. 0 e is the symbol for _______. - 1 a.an alpha particle b.a beta particle c.gamma radiation d.a positron

© 2013 Pearson Education, Inc. a.an alpha particle b.a beta particle c.gamma radiation d.a positron 0 e is the symbol for _______. - 1

© 2013 Pearson Education, Inc. In the drawing below, blue spheres represent protons and red spheres represent neutrons. What is the isotope represented by the drawing? a.Carbon-12 b.Carbon-14 c.Oxygen-14 d.Oxygen-16

© 2013 Pearson Education, Inc. In the drawing below, blue spheres represent protons and red spheres represent neutrons. What is the isotope represented by the drawing? a.Carbon-12 b.Carbon-14 c.Oxygen-14 d.Oxygen-16

© 2013 Pearson Education, Inc. Which of the following is true of alpha radiation? a.It consists of negatively-charged particles. b.It consists of high-energy electromagnetic waves. c.It consists of positively-charged particles. d.None of the above

© 2013 Pearson Education, Inc. Which of the following is true of alpha radiation? a.It consists of negatively-charged particles. b.It consists of high-energy electromagnetic waves. c.It consists of positively-charged particles. d.None of the above

© 2013 Pearson Education, Inc. Which type of radiation has the greatest penetrating power? a.Alpha particles b.Beta particles c.Gamma rays d.All three possess the same penetrating power.

© 2013 Pearson Education, Inc. Which type of radiation has the greatest penetrating power? a.Alpha particles b.Beta particles c.Gamma rays d.All three possess the same penetrating power.

© 2013 Pearson Education, Inc. The nuclear reaction shown below is an example of _______. a.alpha decay b.beta emission c.electron capture d.positron emission

© 2013 Pearson Education, Inc. The nuclear reaction shown below is an example of _______. a.alpha decay b.beta emission c.electron capture d.positron emission

© 2013 Pearson Education, Inc. What is the product formed upon electron capture by titanium-44? a.Scandium-44 b.Titanium-43 c.Titanium-44 d.Vanadium-44

© 2013 Pearson Education, Inc. What is the product formed upon electron capture by titanium-44? a.Scandium-44 b.Titanium-43 c.Titanium-44 d.Vanadium-44

© 2013 Pearson Education, Inc. Which of the following is expected to be radioactive? a. 11 B b. 13 C c. 18 F d. 22 Ne

© 2013 Pearson Education, Inc. Which of the following is expected to be radioactive? a. 11 B b. 13 C c. 18 F d. 22 Ne

© 2013 Pearson Education, Inc. What isotope is the product of the nuclear reaction illustrated below? a.Indium-120 b.Lutetium-120 c.Tin-120 d.Ytterbium-120

© 2013 Pearson Education, Inc. What isotope is the product of the nuclear reaction illustrated below? a.Indium-120 b.Lutetium-120 c.Tin-120 d.Ytterbium-120

© 2013 Pearson Education, Inc. Tell the type of decay process occurring in the following nuclear reaction. a.  -emission b.  -emission c.  -emission d.Electron capture or positron emission

© 2013 Pearson Education, Inc. Tell the type of decay process occurring in the following nuclear reaction. a.  -emission b.  -emission c.  -emission d.Electron capture or positron emission

© 2013 Pearson Education, Inc. According to the decay curve for the radionuclide shown below, how many half-lives have passed after nine days? a.one b.two c.three d.four

© 2013 Pearson Education, Inc. According to the decay curve for the radionuclide shown below, how many half-lives have passed after nine days? a.one b.two c.three d.four

© 2013 Pearson Education, Inc. Curium-242 decays by alpha emission to give plutonium-238. If blue spheres represent curium- 242 and yellow spheres represent plutonium-238, how many half-lives have passed in the sample shown below? a.0.5 b.1.0 c.1.5 d.2.0

© 2013 Pearson Education, Inc. Curium-242 decays by alpha emission to give plutonium-238. If blue spheres represent curium- 242 and yellow spheres represent plutonium-238, how many half-lives have passed in the sample shown below? a.0.5 b.1.0 c.1.5 d.2.0

© 2013 Pearson Education, Inc. Iodine-131 is used in thyroid therapy and has a half-life of about 8 days. What percentage of iodine-131 remains in a patient 32 days after treatment? a.50.0% b.25.0% c.12.5% d.6.25%

© 2013 Pearson Education, Inc. Iodine-131 is used in thyroid therapy and has a half-life of about 8 days. What percentage of iodine-131 remains in a patient 32 days after treatment? a.50.0% b.25.0% c.12.5% d.6.25%

© 2013 Pearson Education, Inc. A health professional administers a radiation source that gives 32 units of radiation at a distance of 1.0 meter. At what minimal distance from the source is the health care professional exposed to only 0.50 units of radiation? a.8.0 m b.16 m c.32 m d.64 m

© 2013 Pearson Education, Inc. a.8.0 m b.16 m c.32 m d.64 m A health professional administers a radiation source that gives 32 units of radiation at a distance of 1.0 meter. At what minimal distance from the source is the health care professional exposed to only 0.50 units of radiation?

© 2013 Pearson Education, Inc. The common unit for measuring the number of disintegrations per second is the _______. a.curie b.rad c.roentgen d.sievert

© 2013 Pearson Education, Inc. The common unit for measuring the number of disintegrations per second is the _______. a.curie b.rad c.roentgen d.sievert

© 2013 Pearson Education, Inc. Which of the following is true of nuclear fission reactions? a.It is the joining together of light nuclei. b.A chain reaction is initiated by neutrons. c.These reactions take place on the sun. d.No waste products are created.

© 2013 Pearson Education, Inc. Which of the following is true of nuclear fission reactions? a.It is the joining together of light nuclei. b.A chain reaction is initiated by neutrons. c.These reactions take place on the sun. d.No waste products are created.

© 2013 Pearson Education, Inc. Which of the following is true of nuclear fusion reactions? a.It is the joining together of light nuclei. b.It is the breaking apart of heavy nuclei. c.Uranium-235 is used in fusion reactions. d.A critical mass of uranium can keep the reaction going.

© 2013 Pearson Education, Inc. Which of the following is true of nuclear fusion reactions? a.It is the joining together of light nuclei. b.It is the breaking apart of heavy nuclei. c.Uranium-235 is used in fusion reactions. d.A critical mass of uranium can keep the reaction going.