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A particle with a positive charge.
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A substance that dissolves other substances.
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A particle with a negative charge.
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A substance that has mass and makes up all objects.
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A small piece of a substance that is made up of
at least two atoms.
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The smallest unit of living matter that can function
by itself.
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The ability of an organism to maintain a stable
equilibrium.
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A tiny particle of matter that is the smallest
piece of an element.
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A force that opposes motion.
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The rate at which an object's position changes.
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