| Word | Definition |
| Valance Electron | Electrons in last shell
In outer most energy level |
| Chemical Bond | a force of attraction that holds two atoms together |
| Chemical Bonding | the joining of atoms to form a new substances |
| Ion | Charged Particles that form during chemical changes when one or more valence electroms transfer from one atom to another |
| Ionic Bond | Connects two or more thing together |
| Covalent Bond | The force of attraction between the nuclei of atoms and the electrons shared by the atoms |
| Metallic Bond | the attraction between a positivley charged metal ion and the electrons in a metal |
| Molecule | a neutral group of atoms held together by covalent bonds |
| Crystal Lattice | a repeating three dimensional patter of ions |
| Diatomic | di = two atoms |
