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Inorganic Compounds
| Term | Definition |
|---|---|
| Anion | A negative ion. Formed by any neutral atom that gains an electron. -ide |
| Cation | A positive ion. Formed by any neutral atom that loses an electron. Named the same as their parent atom. |
| Ion | He charged particle. Can be produced by adding or removing one or more electrons from a neutral atom. |
| Diatomic molecules | Two atoms bonded together to form a molecule. Hydrogen H₂, oxygen O₂, nitrogen N₂, fluorine F₂, chlorine Cl₂, bromine Br₂, and iodine I₂. |
| Ionic compounds | Conduct electricity when dissolved in water. |
| Binary compounds | Contain only two different elements. |
| Stock system | A system that uses Roman numerals to name elements that form more than one type of cation. |
| Mono | 1 |
| Di | 2 |
| Tri | 3 |
| Tetra | 4 |
| Penta | 5 |
| Hexa | 6 |
| Hepta | 7 |
| Octa | 8 |
| Nona | 9 |
| Deca | 10 |
| AlCl₃ | Aluminum chloride |
| Al₂O₃ | Aluminum oxide |
| CaC₂ | Calcium carbide |
| HCl | Hydrogen chloride |
| HI | Hydrogen iodide |
| BaS | Barium sulfide |
| LiI | Lithium iodide |
| MgBr₂ | Magnesium bromide |
| NaH | Sodium hydride |
| Na₂O | Sodium oxide |
| CO | Carbon monoxide |
| CO₂ | Carbon dioxide |
| PCl₃ | Phosphorus trichloride |
| SO₂ | Sulfur dioxide |
| P₂O₅ | Diphosphorus pentoxide |
| CCl₄ | Carbon tetrachloride |
| N₂O | Dinitrogen monoxide |
| N₂O₄ | Dinitrogen tetroxide |
| NO | Nitrogen monoxide |
| N₂O₃ | Dinitrogen trioxide |
| S₂Cl₂ | Disulfur dichloride |
| S₂F₁₀ | Disulfur decafluoride |
| Polyatomic ion | An ion that contains two or more elements. |
| Acids | Hydrogen-containing substances that liberate hydrogen ions when dissolved in water. Begins with H. |
| Oxy-acid | And organic compounds containing hydrogen, oxygen, and one other element. |