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Chem Ch 1 Vocab


Chemistry the science that investigates and explains the structure and properties of matter
Matter anything that takes up space and has mass
Mass the measure of the amount of matter an object contains
Property the characteristics of matter; how it behaves
Scientific Model a thinking device, built on experimentation, that helps us understand and explain macroscopic investigations
Qualitative observation made without measurement
Quantitative observation made with measurement
Substance matter with the same fixed composition and properties
Mixture a combination of two or more substances in which the basic identity of each substance is changed
Physical change characteristic of matter that is exhibited without a change in identity
Solution a mixture that is the same throughout; homogeneous
Alloy a solid solution containing different metals, and sometimes nonmetallic substances
Solvent the substance that dissolves the solute when making a solution
Aqueous solution solution in which water is the solvent
Element a substance that cannot be broken down into simple substances
Compound a chemical combination of two or more different elements joined together in a fixed proportion
Formula a combination of chemical symbols that show what elements make up a compound and the number of each element
Chemical Change the change of one or more substances into other substances
Solute The substances being dissolved when making a solution
Created by: hockettd