Aluminium oxide, Al2O3, alumina, is an amphoteric oxide. It is not very reactive, but does react with acids and bases. It dissolves in acids. With bases it can forms aluminates containing polyatomic anions containing aluminium. ions.
The numbers at the beginning of a chemical equation indicate the stoichiometry or the relative amounts of each reactant and product in the reaction. In the example you provided, "3Al2O3" means that three molecules of aluminum oxide (Al2O3) are involved in the reaction.
Rubidium oxide has an ionic bond.
Copper(I) oxide has an ionic bond.
Aluminium oxide has an ionic bond.
Lithium oxide is an ionic lattice.
Ionic bonding is present in aluminium oxide.
The bond is ionic.
Potassium oxide has an ionic bond.
Phosphorus oxide is a covalent bond, specifically a polar covalent bond due to the difference in electronegativity between phosphorus and oxygen atoms.
Aluminum Oxide has an ionic bond, where electrons are transferred from the aluminum atoms to the oxygen atoms, resulting in the formation of positively charged aluminum ions and negatively charged oxide ions.
magnesium oxide
Ionic