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Introduction to ES
Hurley - PNHS - Intro to I.S.H. Vocab
Question | Answer |
---|---|
pure substance | matter that always has exactly the same composition |
element | a substance that cannot be broken down into simpler substances |
atom | the smallest particle of an element |
compound | a substance that is made from two or more simpler substances & can be broken down into those simpler substances |
heterogeneous mixture | a mixture where the parts of the mixture are noticeably different from one another |
homogeneous mixture | a mixture where the substances are so evenly distributed that it is difficult to distinguish one substance in the only mixture from another |
solution | a mixture that forms when a substance dissolves & forms a homogeneous mixture |
suspension | a heterogeneous mixture that separates into layers over time |
colloid | a mixture that contains some particles that are intermediate in size between the small particles in a solution & the larger particles in a suspension |