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Atomic Thery
7th grade-vocab
| Term | Definition |
|---|---|
| atom | weather is in the soil, liquid, or gas, matter. |
| element | when something is made up of only one kind of atom, is called an element. |
| proton | a stable subatomic particle occurring in all atomic nuclei. |
| electron | a subatomic particle of about the same mass as a proton but without an electric charge, |
| neutron | a subatomic particle of about the same mass as a proton but without an electric charge. |
| malleable | can be smashed with out crumbling. |
| luster | shiny |
| ductile | can be drawn into a thin wire. |
| corrosile | rusts |
| density | high. |