Term
| The amount of energy this estimated to be contained in the nucleus of a grain of sand would |
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Definition
| provide a years energy for the United States |
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Term
| Which of the following is true about radioactive decay? |
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Definition
| A helium proton was the first particle identified as a product of radioactive decay |
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Term
| Electrons and protons differ in their |
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Definition
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Term
| How do two isotopes of the same element differ? |
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Definition
| their neutrons differ number |
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Term
| The difference between nuclear fusion and nuclear fission is that |
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Definition
| fusion combines two nuclei into one, fission splits apart a nucleus |
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Term
| A particular isotope has a half-life of 10 minutes. if we start with 2,000 atoms now in a half hour we will have how many atoms left? |
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Definition
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Term
| How many protons neutrons and electrons are contained in uranium -238? |
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Definition
| 92 protons, 146 neutrons,92 electrons |
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Term
| Which force holds the nucleus together? |
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Definition
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Term
| A scientist who uses carbon-14dating is actually measuring the |
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Definition
| time of death of a living thing |
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Term
| A biography of Marie curie would include the fact that she |
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Definition
| won Nobel prize in physics and chemistry |
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Term
| Most of the energy in a nuclear power plant is generated by conversion of |
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Definition
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Term
| A nucleus of the imaginary atom Woofnium(73 protons, 97 neutrons), decays by beta emission with a half life of 26,000 years. After one half-life, the daughter nucleus will be |
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Definition
| Wifnium (74 protons, 96 neutrons) |
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Term
| One characteristic of radon-222 is that |
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Definition
|
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Term
| Safety features in nuclear power plants include |
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Definition
| a self-contained system for all cooling water coming in contact with the radioactive material |
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Term
| The Yucca Mountain project for nuclear waste disposal |
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Definition
| is a plan to bury nuclear wastes in underground tunnels. |
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Term
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Definition
| shift particles in a nucleus to different energy levels. |
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Term
| Elements heavier than uranium have been produced by scientist who |
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Definition
| bombard a heavy element like lead with krypton ions |
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Term
| Which of these is NOT classified as high-level radioactive material |
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Definition
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Term
| Matter is converted to energy in all except for which of the following |
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Definition
a hydrogen bomb explosion
an atom bomb explosion
a nuclear fusion reactor
a nuclear fission reactor
all the above convert some matter into energy |
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Term
| Matter is converted to energy in all except for which of the following? |
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Definition
-a hydrogen bomb explosion
-an atom bomb explosion
-a nuclear fusion reactor
-a nuclear fission reactor
(all of the above) |
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Term
| If you plotted the number of neutrons against the number of protons of all atoms listed in the periodic table of the elements, what would you discover? |
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Definition
-all chemical elements have multiple isotopes
-approximately 2000 isotopes have been identified
-the number of protons nearly equals the number of neutrons for the lighter elements
-heavier elements tend to have more neutrons than protons
(all of the above) |
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Term
| When we say that radioactivity is nature's "philosopher's stone", we mean that |
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Definition
| radioactivity can change the number of protons in a given nucleus |
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Term
| Which of the following statements is a characteristic of environmental radioactivity? |
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Definition
| much of Earth's interior heat comes from alpha decay |
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Term
| An electron is to a beta particle as helium is to a(n) |
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Definition
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Term
| If an atom emits two protons and two neutrons, the atom has |
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Definition
-created a daughter nucleus from the parent nucleus
-emitted an alpha particle
-changed the mass and chemical identity of the atom
-produced a small amount of helium
(all of the above) |
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Term
| Long-term effects of radioactive exposure will |
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Definition
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