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11 Cards in this Set
- Front
- Back
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matter
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anything that has mass and occupies space
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neutron
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small uncharged particle in the nucleus of an atom
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mixture
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two or more substances that are mixed together but not chemically combined
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molecule
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two or more atoms that are bonded together
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nucleus
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the central core of an atom that contain the protons and the neutrons
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physical change
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a change that alters the form or appearance of a substance but doesn't make the material into another substance
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physical property
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a characteristic of a substance that can be observed without changing the substance into something else
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proton
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small positively charged particle in the nucleus of an atom
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substance
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a single kind of matter that has distinct physical and chemical properties
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volume
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the amount of space that matter occupies
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weight
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a measure of the force of gravity on an object
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