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11 Cards in this Set
- Front
- Back
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What are the 3 states of matter?
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Solid, Liquid, Gas.
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Atom
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Basic Unit of Matter
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Element
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Substance consisting entirely of one type of atom
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Compound
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Substance formed by the chemical combination of two or more elements in definate proportions.
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Molecule
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The smallest unit of most compounds
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Mixture
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Material composed of two or more elements/compounds that are physically mixed together but not chemically combined.
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What is the central part of an atom?
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Neucleus
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How many particles does a neucleus contain?
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2
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What has positive charge?
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Protons
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What do protons have in common in all elements?
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They all are the same.
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What has no charge?
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Neutrons
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