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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