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Science 1-1.

matter anything that has mass and takes up space
chemistry the study of properties of matter and how matter changes
substance a single kind of matter that is pure, meaning it always has specific makeup or composition and a specific set of properties
physical property a characteristic of pure substance that can be observed without changing it into another substance
chemical property a characteristic of a pure substance that describes its ability to change into different substances
element a pure substance that cannot be broken down into any other substance by chemical or physical means
atom the basic particle with all elements are made
chemical bond which a force of attraction between two atoms
molecule groups of two or more atoms held together by chemical bonds
compound a pure substance made of two or more elements chemically combined in a set ratio
chemical formula shows the elements in the compound and the ratio of atoms
mixture made up of two or more substances elements, and compounds, both that are together in the same place but not chemically combined
heterogeneous mixture mixtures in which pure substances are unevenly distributed throughout the mixture
homogeneous mixture mixtures in which substances are unevenly distributed throughout the mixture
solution an example of homogeneous mixture; forms when substances dissolve
Created by: Kayla1