| A | B |
|---|
| element | a substance that cannot be separated or broken down |
| pure substance | only one atom: cannot be broken down physically or chemically |
| metal | element that is shiny; conducts heat and electricity |
| nonmetal | element that does not conduct heat and electricity well, dull |
| metalloid | semiconductor, properties of both metals and nonmetals |
| compound | two or more elements joined by chemical bonds |
| mixture | combination of two or more substances not chemically bonded |
| solution | homogeneous mixture uniformly dispersed, particles will not scatter light and cannot be filtered |
| solute | substance that dissolves in a solvent |
| solvent | substance in which the solute dissolves (universal solvent= water) |
| concentration | amount of a particular substance in a given quantity of a mixture, solution or ore |
| solubility | ability of one substance to dissolve in another at a given temperature and pressure |
| suspension | mixture in which particles of a material are dispersed throughout a liquid or gas, but are large enough to settle out, particles can scatter light and be filtered |
| colloid | mixture of particles that are intermediate in size and are dispersed, but will not settle out; particles will scatter light, but cannot be separated by filtration |
