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Science 7 - 2-1

QuestionAnswer
matter anything that has mass and takes up space
chemistry study of properties of matter and how matter changes
substance single kind of matter that is pure (specific makeup)
physical property observed without changing into another substance
chemical property ability to change into different substance
element cannot be broken down into any other substance
atom basic particle which all elements are made
chemical bond force of attraction between atoms
molecules group of two or more atoms held together by chemical bond
compound made of two or more elements chemically combined
chemical formula shows elements in compounds and ratio of atoms
mixture tow or more substances in same place but not chemically combined
heterogeneous mixture you can see different parts
homogeneous mixture evenly mixed you can't see different parts
solution type of homogeneous mixture
Created by: jmeager