chapter 2 lecture chapter eleven nuclear chemistry fundamentals of general, organic, and biological...

Chapter 2 Lecture

Chapter ElevenNuclear Chemistry

Fundamentals of General, Organic, and Biological

Chemistry7th Edition

Chapter 11 Clickers

© 2013 Pearson Education, Inc.

Karen EricsonIndiana University–Purdue University, Fort Wayne

Laurie LeBlancCuyamaca 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.

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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.

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0 e is the symbol for _______.-1

a. an alpha particleb. a beta particlec. gamma radiationd. a positron

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a. an alpha particleb. a beta particlec. gamma radiationd. a positron

0 e is the symbol for _______.-1

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In the drawing below, blue spheres represent protons and red spheres represent neutrons. What is the isotope represented by the drawing?

a. Carbon-12b. Carbon-14c. Oxygen-14d. Oxygen-16

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In the drawing below, blue spheres represent protons and red spheres represent neutrons. What is the isotope represented by the drawing?

a. Carbon-12b. Carbon-14c. Oxygen-14d. Oxygen-16

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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

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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

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Which type of radiation has the greatest penetrating power?

a. Alpha particlesb. Beta particlesc. Gamma raysd. All three possess the same penetrating power.

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Which type of radiation has the greatest penetrating power?

a. Alpha particlesb. Beta particlesc. Gamma raysd. All three possess the same penetrating power.

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The nuclear reaction shown below is an example of _______.

a. alpha decayb. beta emissionc. electron captured. positron emission

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The nuclear reaction shown below is an example of _______.

a. alpha decayb. beta emissionc. electron captured. positron emission

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What is the product formed upon electron capture by titanium-44?

a. Scandium-44b. Titanium-43c. Titanium-44d. Vanadium-44

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What is the product formed upon electron capture by titanium-44?

a. Scandium-44b. Titanium-43c. Titanium-44d. Vanadium-44

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Which of the following is expected to be radioactive?

a. 11Bb. 13Cc. 18Fd. 22Ne

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Which of the following is expected to be radioactive?

a. 11Bb. 13Cc. 18Fd. 22Ne

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What isotope is the product of the nuclear reaction illustrated below?

a. Indium-120b. Lutetium-120c. Tin-120d. Ytterbium-120

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What isotope is the product of the nuclear reaction illustrated below?

a. Indium-120b. Lutetium-120c. Tin-120d. Ytterbium-120

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Tell the type of decay process occurring in the following nuclear reaction.

a. -emissionb. -emissionc. -emissiond. Electron capture or positron

emission

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Tell the type of decay process occurring in the following nuclear reaction.

a. -emissionb. -emissionc. -emissiond. Electron capture or positron

emission

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According to the decay curve for the radionuclide shown below, how many half-lives have passed after nine days?

a. oneb. twoc. threed. four

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According to the decay curve for the radionuclide shown below, how many half-lives have passed after nine days?

a. oneb. twoc. threed. four

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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. 0.5b. 1.0c. 1.5d. 2.0

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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. 0.5b. 1.0c. 1.5d. 2.0

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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%

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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%

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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 mb. 16 mc. 32 md. 64 m

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a. 8.0 mb. 16 mc. 32 md. 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?

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The common unit for measuring the number of disintegrations per second is the _______.

a. curieb. radc. roentgend. sievert

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The common unit for measuring the number of disintegrations per second is the _______.

a. curieb. radc. roentgend. sievert

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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.

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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.

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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.

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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.