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Classifying Elements
vocabulary
| Term | Definition |
|---|---|
| proton | A particle in the space inside the nucleus of an atom that carries one unit of positive electric charge . |
| electron | A particle in the space outside the nucleus of an atom that carries one unit of negative electric charge. |
| atomic number | |
| molecule | |
| metals | |
| nonmetal | |
| noble gases | |
| metalloids | |
| periodic table |