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10 Cards in this Set
- Front
- Back
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Matter |
Anything that has mass and occupies space |
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Mass |
The property that defines the quantity of matter in an object |
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Energy |
The capacity to do work |
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Chemistry |
The study of the composition, structure, and properties of matter and of the energy consumed or given off when matter undergoes a change |
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(Pure) Substance |
Matter that has a constant composition and cannot be broken down into simpler matter by any physical process |
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Physical Process |
A transformation of a sample of matter, such as a change in its physical state, that does not alter the chemical identity of any substance in the sample |
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Mixture |
A combination of pure substances in variable proportions in which the individual substances retain their chemical identities and can be separated from one another by a physical process |
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Homogeneous Mixture |
A mixture in which the components are distributed uniformly throughout and have no visible boundaries or regions |
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Solution |
Another name for homogeneous mixture; often liquids but may be solids or gases |
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Heterogeneous Mixture |
A mixture in which the components are not distributed uniformly, so that the mixture contains distinct regions of different compositions |
