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16 Cards in this Set
- Front
- Back
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heterogeneous mixtures |
parts can be seen |
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homogeneous mixtures |
solution, parts cannot be seen |
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solute |
a substance that dissolves - powder |
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solvent |
a substance that dissolves the solute - water |
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acids |
taste sour, contain positive hydrogen ions |
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bases |
taste bitter, contain negative hydroxyl ions |
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neutrals |
a substance that is neither an acid nor a base |
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three ways to separate mixtures |
boil/evaporate magnet strain |
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3 things that affect the rate of how a substance dissolves |
increase surface area stir faster increase temperature of the water |
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element |
simple substances that cannot be broken down |
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substance |
matter that has the same composition and properties throughout |
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compound |
substance made up of two or more elements chemically combined |
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mixture |
two or more substances that have been mixed together physically |
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solution |
homogeneous mixture, parts are dissolved and can't be seen |
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chemical formulas |
shows the atoms of the chemicals |
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Litmus paper |
indicator. turns blue if the substance is a base and red if its an acid |
