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15 Cards in this Set
- Front
- Back
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Substance |
Type of matter with a fixed composition |
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Element |
When all the atoms in a substance have the same identity, that a substance is |
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Compound |
A substance in which the atoms of two or more elements are combined in a fixed proportion |
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Heteogeneous mixture |
A mixture in which diffrent materials can be distinguished easily |
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Homogeneous mixture |
Contains two or more gaseous, liquid, or solid substances blended evenly throughout |
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Solution |
A homogenous mixture of particales of acetic acid mixed with water |
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Colloid |
A type of mixture with particales that are larger than those in soloutions but not heavy enough to settle out |
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Tyndall Effect |
The scattering of light by colloidal particles |
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Suspension |
A heterogenous mixture containing a liquid in which visable partacles settle Ex. Pond water |
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Physical Property |
ANy charcteristic of a material that you can observe without changing the identity of the substances that make up the material |
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Physical Change |
A change in size, shape, or state of matter |
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Distillation |
The process for seperating substances in a mixture by evaporating a liquid and recondensing its vapor |
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Chemical property |
A charcteristic of a substance that indicates wether it can undergo a certain chemical change |
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Chemical Change |
A change of one substance to another |
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Law of conservation of mass |
Mass of all substances that are present before a chemical change equals the mass of all the substances that remain after the change |
