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Chapter 7 - Part 1

Introduction to Matter - Gr. 6

TermDefinition
matter anything that has mass and takes up space
chemistry the study of the properties of matter and how it changes
substance a single kind of matter that is pure and has a specific set of properties
physical property a characteristic of a pure substance that can be observed without changing it into another substance
chemical property a characteristic of a substance that describes its ability to change into different substances
element a pure substance that cannot be broken down into other substances by chemical or physical means
atom the basic particle from which all elements are made; the smallest particle of an element that has the properties of that element
chemical bond the force of attraction that hold two atoms together
molecule a neutral group of two or more atoms held together by covalent bonds
compound a substance made of two or more elements chemically combined in a specific ratio, or proportion
chemical formula symbols that show the elements in a compound and the ratio of atoms
mixture two or more substances that are together in the same place but their atoms are not chemically bonded
Created by: jprevost5
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