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Chemistry
| Term | Definition |
|---|---|
| Atom | Smallest piece of matter that has the same properties of the element it is in |
| proton | A positive + subatomic particle int he atom's nucleus.Is the identity of the element and atomic number. |
| Neutron | A neutral subatomic particle in the atom's nucleus has no charge and most of the mass |
| Electron | A negative subatomic particle spinning outside the nucleus of an atom. |
| Element | The simplest forms of matter that contain only one type of atom |
| Periodic Table of Elements | A chart that organizes all the elements by atomic number and properties |
| Valence Electron | The electron in the outer level of an atom that cause atom to bond together |
| Chemical Bond | An interaction that holds atoms together |