11 terms

Phases of Matter - Quiz 2 Words

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Chemical Change
change of one substance into a new substance
Chemical Property
any characteristic of a substance, such as flammability, that indicates whether it can undergo a certain chemical change.
Compound
substance formed from two or more elements in which the exact combination and proportion of elements is always the same.
Distillation
process that can separate two substances in a mixture by evaporating the liquid and recondensing its vapor.
Heterogeneous Mixture
mixture, such as concrete or a dry soup mix, in which different materials are unevenly distributed and are easily identified.
Homogeneous Mixture
solid, liquid, or gas that contains two or more substances blended evenly throughout.
Law of Conservation of Mass
States that the mass of all substances that are present before and chemical change equals the mass of all the substances that are remaining after the chemical change.
Physical Change
any change in size, shape, or state of matter in which the identity of the substance remains the same.
Physical Property
any characteristic of a material, such as size or shape, that you can observe or attempt to observe without changing the identity of the substance.
Solution
mixture that appears to have the same composition, color, density, and taste throughout and is mixed at the atomic or molecular level.
Substance
element or compound that cannot be broken down into simpler components and maintain the properties of the original substance.
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