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15 Cards in this Set
- Front
- Back
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pure substances
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made up of only one substance
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mixture
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mixing two or more substances together forms a _______
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homogeneous mixtures
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particles of other substances that are roughly the same size and mix together evenly
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heterogeneous |
particles of other substances that differ in size and do not mix together evenly
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states |
liquid, gas or solid
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solids |
don't flow, consistent volume, don't easily change shape
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liquids |
definite volume like a solid but flows easily
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gases
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molecules are far apart, move at high speeds, vibrate randomly and spin
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fluids
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another word for liquid that scientists use
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crystal lattice |
array of particles in a crystalline solid
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matter
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all substances are some type of this
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particle
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extremely tiny bit of matter that can be treated as a physical system and which obeys physical principles
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elements
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may occur as single atoms [helium], as molecules [oxygen], or as lattices of atoms [diamond]
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3 physical states of matter
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solid, liquid, and gas
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compounds
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more than one kind of atom chemically bonded together
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