| A | B |
|---|
| mixture | more than 1 substance, can be separated b;y physical means |
| mixture examples | birdseed, fruit salad, soil, trail mix |
| heterogeneous | mixtures in which you can still see individual substances |
| homogeneous | mixtures in which all the substances are very well mixed |
| 3 characteristics of mixtures | at least 2 sub., no chemical change, any; proportion |
| colloids | particles do not dissolve, but are suspended and constantly moving |
| colloid examples | Jello, gels, foams, toothpaste |
| solution | formed when one substance dissolves into another |
| solute | is dissolved |
| solvent | does the dissolving |
| dilute | weak, little solute |
| concentrated | strong, lots of solute |
| solubility | how easily a sulute will dissolve |
| insoluble | when a solute will not dissolve |
| electrolyte | solution that conducts electricity |
| saturated | unable to dissolve any more solute |
| liquid solutions | soft drinks, antifreeze, sugar water |
| solid solutions | opal, dental fillings, stainless steel |
| gaseous solutions | air, humidity, moth balls sublimating |
| suspension | a mixture in which particles of one substance are scattered, but not dissolved |
| suspension examples | OJ with pulp, Italian dressing, some medicines |
| ways of separating mixtures | physically, evaporation, filtering, centrifuge |
