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| any substance that has a definite composition-it's always made of the saem stuff no mater where the chemical comes from. |
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| In an equation, the substance on the left-hand side of the arrow. Used in the reaction. |
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| Substances on the right-hand side of the arrow. Made by the reaction. |
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| anything that has mass and volume |
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| the space an object occupies |
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| Quantity of matter contained in that object |
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| the force produced by gravity acting on mass |
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| what the measured volume is reported as |
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| a simple ratio that relates two units tht express a measurement of the same quantity |
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| a property that can be determined without changing the nature of the substance |
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| the mass of an object divided by its volume |
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| Indentified by trying to cause a chemical change |
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| The smallest unit of an element that maintains the properties of that element |
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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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| Pure substances that conain only one kind of atom |
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| Two or more atoms combined in a definite ratio |
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| a substance made up of atoms of two or more different elements joined by chemical bonds |
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| a combination of two or more substances that are not chemically combined |
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| Describes something that has a uniform structure or composition throughout |
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| composed of dissimiliar components |
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