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Definition
| a substance that can not be broken down into other substances by heat, light, or electricity |
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| the smallest particle of an element that has the properties of the element |
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Definition
| the center of an atom, where protons and neutrons are located |
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| particle in an atom that has positive electrical charge |
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Definition
| particle in an atom that has no charge |
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Definition
| particle in an atom that has a negative electrical charge |
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Definition
| two or more atoms joined together; the smallest unit of many substances |
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Definition
| a substance made up of atoms of more than one element joined together in a molecule |
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| anything that takes up space |
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Definition
| a chart that classifies elements by their properties |
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Definition
| a one to three letter abbreviation for an element's name |
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Definition
| horizontal row on periodic table of elements |
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Definition
| vertical column on the periodic table of elements |
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Definition
| elements that occur in nature |
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Definition
| elements that are made in laboratories |
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Definition
| elements that give off particles |
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Definition
| poor conductors of electricity; dull, earthy luster; shatter or form powders when pounded |
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Definition
| good conductors of electricity; shiny, metallic; can be pounded into shapes |
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Definition
| have characteristics of both metals and nonmetals |
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