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19 Cards in this Set
- Front
- Back
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Matter |
Anything that has mass and takes up space.
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Chemistry
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The study of the properties of matter and how matter changes.
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Substance
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A single kind of matter that is pure and has a specific set of properties. |
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Physical property
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A characteristic of a pure substance that can be observed without changing it into another substance. |
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Chemical property
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A characteristic of a pure substance that describes the ability to change into a different substance.
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Mixture
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Two or more substances that are mixed together but not chemically combines.
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Element
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A pure substance that cannot be broken down into other substances by chemical or physical means. |
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Atom
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The basic particle from which all elements are made. |
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Molecule
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A particle made from two or atoms bonded together. |
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Chemical Bond
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The force that holds two atoms together. |
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Chemical Formula
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A formula that gives the elements in a compound and the ratio of atoms.
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Compound
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A pure substance made of two or more elements chemically combines.
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Heterogeneous Mixture
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A mixture in which pure substances are unevenly distributed throughout the mixture.
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Homogeneous Mixture
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A mixture in which substances are evenly distributed throught the mixture.
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Solution
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An example of a homogeneous mixture, forms when substances dissolve. |
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Surface Tension
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The result of an inward pull among the molecules of a liquid that brings the molecules on the surface closer together; causes the surface to act as if it has a thin skin. |
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Solid
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State of matter that has a definite shape and a definite volume.
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Liquid
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State of matter that has no definite shape, but has a definite volume. |
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Gas
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State of matter with no definite shape or volume. |
