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Science Chapter 2!!

Vocab

QuestionAnswer
matter anything that has mass and takes up space
chemistry: the study of the properties of matter and how matter changes
substance a single kind of matter that is pure (always has a specific set of properties)
physical property characteristic of a pure substance that can be observed without changing into another substance
chemical property characteristic of a pure substance that describes its ability to change into different substances
element: a pure substance that can't be broken down into any other substances by chemical or physical means
atom: the basic particle from which all elements are made of
chemical bond force of attraction between two atoms
molecule groups of two or more atoms held together by chemical bonds
compound pure substance made of two or more elements chemically combined in a set ratio
chemical formula a formula that gives the elements in a compound and the ratio of atoms
mixture made of two or more substances (elements compounds or both) that are together in the same place but aren't chemically combined
heterogenous mixture mixture where pure substances unevenly distributed throughout mixture
homogenous mixture where substances are evenly distributed throughout the mixture
solution example of a homogenous mixture
Created by: Marisa9
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