Chemistry- Ch 3
Terms
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- substance
- Matter that has a uniform and unchanging composition
- physical property
- A property that can be observed or measured without changing the substances composition
- extensive property
- Physical property dependent on the amount present
- intensive property
- Physical property not dependent on the amount present
- chemical property
- The ability of a substance to combine with or change into another substance
- states of matter
- All matter on earth classified as one of three states
- solid
- Has definite shape and volume
- liquid
- Has a constant volume and takes the shape of its container
- gas
- Flows to conform to shape of and fills entire volume of its container
- vapor
- The gaseous state of something that is solid or liquid at room temperature