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1
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is all about: what things are made of, what their properties are, and how they interact with each other
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2
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results when two or more atoms bond together
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3
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a substance made up of atoms of two or more different elements, joined by chemical bonds
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4
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made only of one kind of atom
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5
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a combination of two or more substances that are not chemically combined
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6
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matter that has a fixed composition and definite properties
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8
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anything that has mass and occupies space
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1
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shows how many atoms of each element are in a unit of substance
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7
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the smallest unit of an element that maintains the properties of that element
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