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15 Cards in this Set
- Front
- Back
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element
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all the atoms in a sample of matter are the same
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compound
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made from the atoms of two or more elements that are combined
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substance
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either an element or a compound
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heterogeneous mixture
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a mixture where you can tell each material from another easily
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homogeneous mixture
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a mixture where the substances are spread out and you cant tell the difference between them
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solution
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another name for a homogeneous mixture
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colloid
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a heterogeneous mixture that never settles
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Tyndall effect
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the scattering of light by particles in a mixture
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suspension
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a heterogeneous mixture containing a liquid in which visible particles settle.
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coagulation
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when the colloid structure is destroyed in a process
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physical property
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a characteristic of a material that you can observe without moving anything
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physical change
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when something undergoes a change in size, shape, or state of matter.
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chemical change
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a change of one substance in a material to a different substance
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chemical property
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something that tells if a substance can go through a certain chemical change.
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law of conservation of mass
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matter is neither created nor destroyed during a chemical change
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