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Chemistry 2.1 vocab
Vocabulary from Chemistry chapter 2.1
Question | Answer |
---|---|
a measure of the amount of matter that an object contains; the SI base unit of mass is the kilogram | mass |
a measure of space occupied by a sample of matter | volume |
a property that depends on the amount of matter in a sample | extensive property |
a property that depends on the type of matter in a sample, not the amount of matter | intensive property |
matter that has a uniform and definite composition; either an element or a compound; also called pure substance | substance |
a quality or condition of a substance that can be observed or measured without changing the substance’s composition | physical property |
a form of matter that has a definite shape and volume | solid |
a form of matter that flows, has a fixed volume, and an indefinite shape | liquid |
a form of matter that takes the shape and volume of its container; a gas has no definite shape or volume | gas |
describes the gaseous state of a substance that is generally a liquid or solid at room temperature | vapor |
a change during which some properties of a material change, but the composition of the material does not change | physical change |