________ employ controlled fission to produce energy.
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G rays
________ are usually produced in a radioactive decay event.
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Radioactive nuclides
________ are often called radionuclides.
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Control rods
________:** Composed of substances that absorb neutrons and regulate the power level of the reactor.
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Radio tracers
________ provide sensitive and noninvasive methods for learning about biological systems, for detection of disease, for monitoring the action and effectiveness of drugs, and for early detection of pregnancy.
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Geiger counters
________ are often called survey meters in the industry.
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Radioactive nuclei
________ can undergo decomposition in various ways.
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Nuclear stability
________ can be considered from both a kinetic and a thermodynamic point of view.
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Neutrons
________ are often employed as bombarding particles to effect nuclear transformations.
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Fission
________**: The process of splitting a heavy nucleus into two lighter, more stable nuclei.
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transuranium elements
The ________ (those beyond uranium in the periodic table) can be synthesized by particle bombardment of uranium or heavier elements.
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probe of the Geiger counter
The ________ is filled with argon gas, which can be ionized by a rapidly moving particle.
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particle production
A- ________ involves a change in A for the decaying nucleus; B- particle production has no effect on A.
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Thermodynamic stability
________ refers to the potential energy of a particular nucleus as compared with the sum of the potential energies of its component protons and neutrons.
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energy changes
The ________ associated with normal chemical reactions are small enough that the corresponding mass changes are not detectable.
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