Basic Concepts of Matter

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Atom

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Smallest building block of matter

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Crystal

Back

Solid material with regular, repeating pattern of atoms

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Element

Back

Pure substance made of one type of atom

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Gas

Back

State of matter with freely moving particles

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Liquid

Back

State of matter with closely packed particles that can move

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Matter

Back

Anything with mass and volume

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Mixture

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Combination of substances not chemically bonded

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Molecule

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A group of two or more atoms bonded together.

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state of matter

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Physical form of a substance (solid, liquid, gas)

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Solid

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A state of matter where particles are tightly packed together, giving it a fixed shape and volume.