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Chapter 1 Note

Chapter 1 Note - Term Definition Chemistry The science that...

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Unformatted text preview: Term: Definition: Chemistry The science that investigates and explains the structure and properties of matter Term: Definition: Matter Anything that takes up space and has mass Term: Definition: Mass The measure of the amount of matter that an object contains Term: Definition: Properties of matter The characteristics and behavior of matter, including the changes that matter undergoes Term: Definition: Scientific Model A thinking device that helps you understand and explain macroscopic observation Term: Definition: Qualitative observation One that can be made without measurement Term: Definition: Quantitative observation One that uses measurement Term: Definition: Substance Matter with the same fixed composition and properties Term: Definition: Mixture A combination of two or more substances in which the basic identity of each substance is not changed Term: Definition: Physical change A change in matter that does not involve a change in the identity of the substance Term: Definition: Physical properties Characteristics of a sample of matter that can be observed or measured without any change in its identity Term: Definition: Heterogeneous mixture One that does not have a uniform composition and in which the individual substances remain distinct Term: Definition: Solution Another name of homogeneous mixture Term: Definition: Alloys Solid solution that contain different metals and sometimes nonmetallic substances Term: Definition: Solute Dissolved sugar in water Term: Definition: Solvent The substance that dissolves the solute Term: Definition: Elements The simplest form of matter Term: Definition: Compound A chemical combination of two or more different elements joined together in a fixed proportion Term: Definition: Aqueous solution When the solvent is water, the solution is called an aqueous solution Term: Definition: Chemical properties Those that can be observed only when there is a change in the composition of the substances Term: Definition: Chemical change The change of one or more substances into other substaces Term: Definition: Chemical reaction Another term of chemical change ...
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