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Chemistry
Term | Definition |
---|---|
Atom | Smallest piece of matter that has the same properties of the elements it is in. |
Proton | A positive or subatomic particle in the 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. 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 level of an atom that causes atoms to bond together. |
Chemical Bond | An interaction that holds 2 atoms together. |