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13 Cards in this Set
- Front
- Back
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atoms
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the smallest unit of an element that maintains the properties of that element
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pure substance
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a sample of matter, either a single element or a single compound, that has definite chemical and physical properties
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element
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pure substances that only have one kind of atom
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monatomic
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an element that contains individual atoms
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molecule
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the smallest unit of a substance that keeps all of the physical and chemical properties of that substance . two or more atoms bonded together
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diatomic
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two atoms joined together
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allotrope
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one of a number of different molecular forms of an element
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compounds
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a substance made of atoms of two or more different elements joined by chemical bonds
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mixture
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combination of two or more substances that are not chemically combined
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alloy
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solid mixture
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structural formula
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shows how atoms are connected
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homogeneous
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descrives something that has a uniform structure or compostion throughout
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heterogneous
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composed of dissimilar components
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