Which type of radiation is being emitted in the following incomplete nuclear equation? \(\begin{array} { c } 214\\ 82 \end{array}\) Pb ? \(\begin{array} { c } 214\\ 83 \end{array}\) Bi + ??

A) alpha B) beta C) gamma D) A and B E) none of the above A) alpha B) beta C) gamma D) A and B E) none of the above

A) It is the time it takes for 1/2 of the material to undergo radiodecay. B) It is the time needed until 1/2 of the radiation is gone. C) It is the time it takes for 1/2 of the material to decompose. D) It is half of the lifetime of the radioactivity in a sample. E) all of the above A) It is the time it takes for 1/2 of the material to undergo radiodecay. B) It is the time needed until 1/2 of the radiation is gone. C) It is the time it takes for 1/2 of the material to decompose. D) It is half of the lifetime of the radioactivity in a sample. E) all of the above

A) A rem is a unit for measuring radiation exposure. B) A rem is the maximum exposure limit for occupational safety. C) Rem stands for Rapid Electron Motion. D) A rem is the number of radiation particles absorbed per second. E) Rem is an '80s rock group. A) A rem is a unit for measuring radiation exposure. B) A rem is the maximum exposure limit for occupational safety. C) Rem stands for Rapid Electron Motion. D) A rem is the number of radiation particles absorbed per second. E) Rem is an '80s rock group.

Exam 13: The Atomic Nucleus and Radioactivity

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People who work around radioactivity wear film badges to monitor the amount of radiation that reaches their bodies.These badges consist of small pieces of photographic film enclosed in a light-proof wrapper.What kind of radiation do these devices monitor?

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Question 81

Uranium-235 releases an average of 2.5 neutrons per fission,while plutonium-239 releases an average of 2.7 neutrons per fission.Which of these elements might you therefore expect to have the smaller critical mass?

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Question 82

Which type of radiation is being emitted in the following incomplete nuclear equation? 214 82 Pb ? 214 83 Bi + ??

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Question 83

The image below shows a beam of radiation passing between two electrically charged plates. -Which of the beams is due to an energetic light wave?

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Question 84

Which of the following nuclear equations correctly describes beta emission?

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Question 85

Which of the following statements best describes the role of neutrons in the nucleus?

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Question 86

How do fission power plants work?

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Question 87

Where did the atoms that make up a newborn baby originate?

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Question 88

What is a half-life?

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Question 89

What is a rem?

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Question 90

Which of the following statements best describes why a large nucleus is more likely to undergo radioactive decay?

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Question 91

Why would you expect alpha particles to be less able to penetrate materials than beta particles of the same kinetic energy?

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Question 92

Which of the following elements is the most stable from a nuclear point of view?

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Question 93

Why is carbon better than lead as a moderator in nuclear reactors?

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Question 94

Why is the combination of two protons and two neutrons stable,but two protons and one neutron is not?

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Question 95

Why is the carbon-14 dating not accurate for estimating the age of materials more than 50,000 years old?

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Question 96

Which type of radiation-alpha,beta,or gamma-results in the greatest change in atomic mass number?

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Question 97

In bombarding atomic nuclei with proton "bullets," the protons must be accelerated to high energies to make contact with the target nuclei

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Question 98

If a nucleus of 232 90 Th absorbs a neutron and the resulting nucleus undergoes two successive beta decays (emitting electrons),what nucleus results?

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Question 99

If a fusion reaction produces no appreciable radioactive isotopes,why does a hydrogen bomb produce significant radioactive fallout?

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Question 100

Showing 81 - 100 of 127

Exam 13: The Atomic Nucleus and Radioactivity

People who work around radioactivity wear film badges to monitor the amount of radiation that reaches their bodies.These badges consist of small pieces of photographic film enclosed in a light-proof wrapper.What kind of radiation do these devices monitor?

Uranium-235 releases an average of 2.5 neutrons per fission,while plutonium-239 releases an average of 2.7 neutrons per fission.Which of these elements might you therefore expect to have the smaller critical mass?

Which type of radiation is being emitted in the following incomplete nuclear equation? 214 82 Pb ? 214 83 Bi + ??

The image below shows a beam of radiation passing between two electrically charged plates. -Which of the beams is due to an energetic light wave?

Which of the following nuclear equations correctly describes beta emission?

Which of the following statements best describes the role of neutrons in the nucleus?

How do fission power plants work?

Where did the atoms that make up a newborn baby originate?

What is a half-life?

What is a rem?

Which of the following statements best describes why a large nucleus is more likely to undergo radioactive decay?

Why would you expect alpha particles to be less able to penetrate materials than beta particles of the same kinetic energy?

Which of the following elements is the most stable from a nuclear point of view?

Why is carbon better than lead as a moderator in nuclear reactors?

Why is the combination of two protons and two neutrons stable,but two protons and one neutron is not?

Why is the carbon-14 dating not accurate for estimating the age of materials more than 50,000 years old?

Which type of radiation-alpha,beta,or gamma-results in the greatest change in atomic mass number?

In bombarding atomic nuclei with proton "bullets," the protons must be accelerated to high energies to make contact with the target nuclei

If a nucleus of 232 90 Th absorbs a neutron and the resulting nucleus undergoes two successive beta decays (emitting electrons),what nucleus results?

If a fusion reaction produces no appreciable radioactive isotopes,why does a hydrogen bomb produce significant radioactive fallout?

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

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Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

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