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Matter Vocab1
The elements and difffernt states of matter
| Question | Answer |
|---|---|
| chemical change | a change in a substance that changes its identity. |
| chemical property | any characteristic of a material that indicates it can undergo a certain chemical change |
| colloid | heterogeneous mixture w/ particles that never settle and that are large enough to scatter light |
| compound | two or more elements chemically combined, can only be separated by chemical means |
| distillation | a process used to separate two substances in a mixture by evaporating a liquid and recondensing its vapor |
| element | matter containing the same kinds of atoms |
| heterogeneous mixture | mixture w/ easily distinguishable materials |
| homogenous mixture | mixture w/ non-distinguishable materials blended evenly throughout |
| Law of Conservation of Mass | the total mass of all reactants in a chemical reaction is equal to the total mass of all products formed |
| mixture | two or more substances physically combined, can easily be separated by physical means |
| physical change | any change in size, shape, or state of matter in which the identity of the substance remains the same |
| physical property | any characteristic of a material that can be observed without changing the identity of the substance |
| solution | homogenous mixture containing microscopic particles in a liquid that remain uniformly and constantly mixed |
| substance | type of matter w/ fixed composition |
| suspension | heterogeneous mixture containing visible particles in a liquid that will settle out over time |
| Tyndall Effect | scattering of light by colloid particles |