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Introduction to IS

bigpoppa-pnhs-intro to I.S.H. vocab

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.
Created by: therealbigpoppa