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2010 vocab, #2

chemistry, chapter one, vocabulary list two

QuestionAnswer
matter the substance or substances of which any physical object consists or is composed.
pure substance A sample of matter, either an element or a compound, that consists of only one component with definite physical and chemical properties and a definite composition.
element a component or constituent of a whole or one of the parts into which a whole may be resolved by analysis.
compound composed of two or more parts, elements, or ingredients.
mixture any combination or blend of different elements, kinds, qualities, etc.
homogeneous solution a solution where in every part of the mixture (or etc.), the proportion of each component of it is the same.
heterogeneous solution Heterogeneous mixture is used to explain an item or method consists of a number of things that have a large numeral of structural variation.
distillation the volatilization or evaporation and subsequent condensation of a liquid, as when water is boiled in a retort and the steam is condensed in a cool receiver.
physical changes a change from one state (solid or liquid or gas) to another without a change in chemical composition.
physical properties Property of a compound that can change without involving a change in chemical composition; examples are the melting point and boiling point.
chemical changes any process determined by the atomic and molecular composition and structure of the substances involved.
Chemical properties a property used to characterize materials in reactions that change their identity.
Law of Conservation of Matter a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system.
Created by: bzyla
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