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properties of matter
vobaculary words
| Question | Answer |
|---|---|
| pure substance | matter that always has exactlty same compition |
| element | a substance that cannot be broken down into simplier substances. |
| atom | the smallest particle of an element. |
| compund | a substance that is made from two or more simpler substancees and can be broken down into simpler substances. |
| heterogeneous mixture | the parts of the mixture are noticeablely different from one another |
| homogeneous mixture | the substances are so evenly distributed that it is difficult to disguishish one substances in the mixture from anotother |
| solution | when substances dissolve and form a homogeneous mixture , the mixture that forms |
| suspension | a heterogeneous mixture that seperaes into layers over time |
| colloid | contains some particles that are intermediate in size between the small paryicles in a solution and larger particles in a suspension. |