| A | B |
|---|
| matter | anything that has mass and takes up space |
| mass | the amount of matter in something |
| volume | the amount of space something occupies |
| property | a characteristic of a substance that can be observed |
| physical property | a property that can be observed WITHOUT changing the identity of the substance |
| malleability | the ability to be hammered into a thin sheet |
| ductility | the ability to be stretched into a wire |
| melting point | the temperature at which a substance changes from a solid to a liquid at a given pressure; water = 32 degrees F |
| boiling point | the temperature at which a substance changes from a liquid to a gas at a given pressure; water = 212 degrees F |
| chemical property | a property that can only be observed by CHANGING the identity of the substance |
| density | the amount of mass per unit of volume; can be used to identify an unknown substance |
| specific heat | a physical property; the amount of energy needed to raise the temperature of 1 kg of a substance 1 degree C |
| solubility | the measure of one substance's ability to dissolve in a specific amount of another substance at a given temperature and pressure to form a solution |
| solution | two or more substances are mixed evenly together |
| conductivity | a physical property; the measure of the ability for electricity to travel through a substance |
| magnetism | a physical property; the ability of a material to be attracted or repelled by another material due to a magnetic field |
| chemical reaction | a process that produces a chemical change |
| catalyst | a substance that can make something happen faster but is not changed itself |
| reactant | substance that exist before the reaction begins |
| product | the substance formed as a result of the reaction |
| chemical equation | tells a chemist at a glance the reactants, products, physical state, and the proportions of each substance present |
