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Introduction to E.S

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

what is a pure substance? matter that always has the exact same composition
what is an element? a substance that can not be broken down into simpler substances
what is an atom? the smallest particle of a substance
what is a compound? a substance that is made from two or more other substances
what is a heterogeneous mixture? the parts of a mixture that are noticeably different from another
what is a homogeneous mixture? a mixture that is difficult to distinguish from another
what is a solution? when substances dissolve and form a homogeneous mixture
what is a suspension? the heterogeneous mixture that separates into layers over time
what is a colloid? contains some particles that are intermediate in size between small particles in a solution and the larger particles in the suspension
Created by: culcul123