 | Term | Definition |
| |
extensive property |
depends on the amount of matter in a sample (ex. mass) |
| |
intensive property |
depends on the type of matter in a sample, not the amount of matter (ex. density) |
| |
physical property |
something you observe without changing a substances composition |
| |
vapor |
describes the gaseous state of a substance that is generally a liquid or solid at room temp. as in water vapor |
| |
chemical change |
a change that produces matter with a different composition than the original matter |
| |
distillation |
process used to separate dissolved solids from a liquid, which is boiled to produce a vapor that is then condensed into a liquid |
| |
homogeneous mixtures |
a mixture in which the composition is uniform throughout ex. another name is solution |
| |
heterogeneous mixtures |
a mixture in which the composition is not uniform throughout |
| |
filtration |
process that separates a solid from the liquid in a heterogenous mixture |
| |
chemical symbol |
each element is represented by a one or two letter |
| |
chemical property |
ability of a substance to undergo a specific chemical change |
| |
chemical reaction |
one or more substances change into 1 or more new substances |
| |
physical change |
break something into a smaller piece ex. melting, freezing |
| |
solid |
form of matter has a definite shape & volume |
| |
liquid |
an indefinate shape, flows, has a fixed volume |
| |
gas |
takes both the shape & volume of its container |
| |
solution |
a homogeneous mixture |
| |
mass |
measure of the amount of matter the objects contains |
| |
volume |
measure of the space occupied by the object |
| |
substance |
matter that has a uniform & definite composition |
| |
mixture |
physical blend of 2 or more components |
| |
element |
the simplest form of matter that has a unique set of properties |
| |
compound |
a substance that contains 2 or more elements chemically combined in a fixed proportion |
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