The chemical formula of magnesium oxide is MgO.
Physical Properties of Magnesium Oxide
| Properties | Details |
| Appearance | White, odorless solid |
| Boiling Point | 3,600°C (6,512°F) |
| Crystal Structure | Cubic |
| Density | 3.58 g/cm³ |
| Melting Point | 2,852°C (5,166°F) |
| Solubility | Insoluble in water |
| State | Solid |
Chemical Properties of Magnesium Oxide
| Properties | Details |
| Chemical Formula | MgO |
| Chemical Reaction with Acid | Magnesium oxide reacts with acids to produce a salt and water |
| Combustibility | Non-combustible |
| Hygroscopicity | Absorbs moisture from the air |
| Oxidation | Magnesium oxide readily undergoes oxidation reactions |
| Reactivity | Highly reactive with acids and forms salts |
| Stability | Chemically stable under normal conditions |
Reaction of magnesium oxide with Alkali Metal
| Alkali Metal | Reaction with Magnesium Oxide |
| Lithium (Li) | Li2O + MgO → 2LiMgO |
| Sodium (Na) | Na2O + MgO → NaMg2O2 |
| Potassium (K) | K2O + MgO → K2MgO2 |
| Rubidium (Rb) | Rb2O + MgO → Rb2MgO2 |
| Cesium (Cs) | Cs2O + MgO → Cs2MgO2 |
| Francium (Fr) | Fr2O + MgO → Fr2MgO2 |
| Alkali Metal | Reaction with Magnesium Oxide |
| Lithium (Li) | Li2O + MgO → 2LiMgO |
| Sodium (Na) | Na2O + MgO → NaMg2O2 |
| Potassium (K) | K2O + MgO → K2MgO2 |
| Rubidium (Rb) | Rb2O + MgO → Rb2MgO2 |
| Cesium (Cs) | Cs2O + MgO → Cs2MgO2 |
| Francium (Fr) | Fr2O + MgO → Fr2MgO2 |
Reaction of magnesium oxide with Transition Metal
| Transition Metal | Reaction with Magnesium Oxide |
| Iron (Fe) | 3FeO + 2MgO → Fe3O4 + 2MgO |
| Copper (Cu) | 2CuO + MgO → 2CuO·MgO |
| Zinc (Zn) | ZnO + MgO → ZnMgO |
| Nickel (Ni) | NiO + MgO → NiMgO |
| Cobalt (Co) | CoO + MgO → CoMgO |
| Manganese (Mn) | Mn3O4 + 4MgO → 3MgMnO2 |
Reaction of magnesium oxide with Non-Transition Metal
| Non-Transition Metal | Reaction with Magnesium Oxide |
| Aluminum (Al) | Al2O3 + 2MgO → 2MgAl2O4 |
| Silicon (Si) | SiO2 + 2MgO → Mg2SiO4 |
| Carbon (C) | C + MgO → Mg + CO |
| Phosphorus (P) | P4O10 + 10MgO → 5Mg2P2O7 |
| Sulfur (S) | SO2 + MgO → MgSO3 |
| Chlorine (Cl) | 2MgO + Cl2 → MgCl2 + MgOCl2 |
Reaction of magnesium oxide with Non-Metal
| Non-Metal | Reaction with Magnesium Oxide |
| Hydrogen (H) | MgO + H2 → Mg + H2O |
| Carbon (C) | MgO + C → Mg + CO |
| Nitrogen (N) | MgO + 2NH3 → Mg3N2 + 2H2O |
| Oxygen (O) | 2MgO + O2 → 2MgO2 |
| Fluorine (F) | MgO + 2F2 → MgF2 + OF2 |
| Chlorine (Cl) | MgO + 2Cl2 → MgCl2 + Cl2O |
Reaction of magnesium oxide with Metalloid
| Metalloid | Reaction with Magnesium Oxide |
| Boron (B) | B2O3 + 3MgO → Mg3B2O6 |
| Silicon (Si) | SiO2 + 2MgO → Mg2SiO4 |
| Germanium (Ge) | GeO2 + MgO → MgGeO3 |
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