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Chapter 3 Science

Elements, Compounds, and Mixtures

element a substance that cannot be separated or broken down into simpler substances by chemical means
pure substance a sample of matter, either a single element or a single compound, that has definite chemical and physical properties
metal an element that is shiny and that conducts heat and electricity well
nonmetal an element that conducts heat and electricity poorly
metalloid an element that has properties of both metals and nonmetals
compound a substance made up of atoms of two or more different elements joined by chemical bonds
mixture a combination of two or more substances that are not chemically combined
solution a homogeneous mixture of two or more substances uniformly dispersed
solvent in a solution, the substance in which the solute dissolves
concentration the amount of a particular substance in a given quantity of a mixture, solution, or ore
solubility the ability of one substance to dissolve in another at a given temperature and pressure
suspension a mixture in which particles of a material are more or less evenly dispersed throughout a liquid or gas
colloid a mixture consisting of tiny particles that are indermediate in size between those in a solution and those in suspension
Created by: tclendaniel