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| Ionic compund | A chemical compound that is composed of ions held together by electrostatic forces termed ionic bonding. The compound is neutral ... |
| Ionic bond | Type of bond that forms as a result of the electrostatic force that attracts cations to anions. |
| Chemical formula | Shows the numbers of atoms of each element in the smallest representative unit of a substance. |
| Formula Unit | The number of ions of opposite charge that surround the ion in a crystal. |
| Coordination number | The number of ions of opposite charge that surround the ion in a crystal. |
| Valence Electrons | Electrons in the highest occupied energy level of an element's atoms (electron in the outermost shell). |
| Octet Rule | States that in forming compounds, atoms tend to achieve the electron configuration of a noble gas which have 8 valence electrons |
| Cation | Positively charged ion formed when a neutral atom loses an electron. |
| Anion | Negatively charged ion formed when a neutral atom gains an electron |
| Electron dot structure | are diagrams that show valence electrons in the atoms of an element as dots. |
| Ions | Form when an atom or group of atoms loses or gains electrons |
