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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 in the atom's nucleus - identity of the element |
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 - tiny |
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 layer of am atom that causes atoms to bond together |
Chemical Bond | An interaction that holds 2 atoms together |