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Introduction to IS
bigpoppa-pnhs-intro to I.S.H. vocab
Question | Answer |
---|---|
What is a pure substance? | Pure substance is matter that always has exactly the same composition. |
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 makes up a compound? | A compound is a substance that is made from two or more simpler substances. |
What is a heterogenous mixture? | In a heterogenous mixture, the parts of the mixture are noticeably different from one another. |
What is a homogenous mixture? | In a homogenous mixture, the substances are so evenly distributed that it is difficult to distinguish one sunstance in the mixture from another. |
What is a solution? | A solution is when substances dissolve in a homogenous mixture. |
What is a suspension? | A suspention is a heterogenous mixture that seperates into layers over time. |
What is a colloid? | A colloid contains some particles that are intermediate in size between the small particles in a solution sand the larger particles in a suspension. |