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Definition
| a substance that cannot be broken down into other substances by heat, light, or electricity |
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Definition
| a chart that classifies elements by their properties |
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Term
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Definition
| the smallest particle of an element that has the properties of the element |
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Term
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Definition
| the cell part that controls the cell's activities; the center of an atom, where protons and neutrons are located. |
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Term
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Definition
| particle in an atom that has a positive electrical charge |
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Term
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Definition
| particle in an atom that has no charge |
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Term
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Definition
| particle in an atom that has a negative electrical charge |
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