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1
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the science, technology, and application of nuclear energy
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2
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the central most important part of an object
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4
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non radioactive
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7
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the spontaneous decay of disintegration of an unstable atomic nucleus
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8
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the metal used as fuel in nuclear reactors
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9
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the splitting of a heavy nucleus into two roughly equal parts
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1
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a device in which a fission chain reaction can be initated
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3
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the process or result of joining two or more things together to form a single entity
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5
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the basic unit of a chemical element
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6
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the accidental release of radioactive materials
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