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IntorductiontoES
cullivanintroISHvocab
Question | Answer |
---|---|
What is a pure substance? | A pure substance is matter that always has exacly the same composition;an element or compound. |
What is an element? | An element is a substance that cannot be broken down into simpler substances. |
What is an atom? | An atom is the smallest particle of an element. |
What is a compound? | A compound is a substance that is made from two or more simpler substances and can be broken down into those simpler substances. |
What is a heterogeneous mixture? | A heterogeneous mixture is a type of mixture in which the parts of the mixture are noticeably different from one anouther. |
What is a homogeneous mixture? | A homogeneous mixture is a type of mixture in which the substances are so evenly distibuted that it is difficult to distinguish one substancein the mixture from anouther. |
What is a solution? | A solution is a mixture that forms when substances disolve and form a homogeneous mixture. |
What is a suspension? | A suspension is a heterogenous mixture that seperates into layers over time. |
What is a colliod? | A colliod is a mixture that contians some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspension. |