chemistry, chapter one, vocabulary list two
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| matter | the substance or substances of which any physical object consists or is composed.
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| 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.
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| element | a component or constituent of a whole or one of the parts into which a whole may be resolved by analysis.
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| compound | composed of two or more parts, elements, or ingredients.
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| mixture | any combination or blend of different elements, kinds, qualities, etc.
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| homogeneous solution | a solution where in every part of the mixture (or etc.), the proportion of each component of it is the same.
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| 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.
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| 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.
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| physical changes | a change from one state (solid or liquid or gas) to another without a change in chemical composition.
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| physical properties | Property of a compound that can change without involving a change in chemical composition; examples are the melting point and boiling point.
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| chemical changes | any process determined by the atomic and molecular composition and structure of the substances involved.
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| Chemical properties | a property used to characterize materials in reactions that change their identity.
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| Law of Conservation of Matter | a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system.
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