Formula: Cr2O3
Fe3O2. But it's not right! Oxygen forms a 2- ion and iron can be 2+ or 3+. So the formulae of iron oxide can be FeO or Fe2O3.
Ferric Carbonate = Iron (III) carbonate. Fe3+ + 3CO32- ==> Fe2(CO3)3
Al2O3 - aluminum oxide (dialuminium trioxide); this oxide is not a cation or anion but a chemical molecular substance.
Aluminum oxide has a chemical formula of Al2O3, which means there are 2 aluminum atoms and 3 oxygen atoms in each molecule of aluminum oxide.
Formula of 3 types of Iron oxides: Iron(II) oxide= FeO Iron(III) oxide= Fe2O3 Iron(II,III) oxide= Fe3O4
Aluminum peroxide is a compound of aluminium and oxygen with the chemical formula AlO3Aluminum oxide is Al2O3 (the most common oxide)Aluminium(I) oxide is Al2O
Co2(CO3)3The chemical formula of cobalt(III) carbonate [not cobalt(111)] is Co2(CO3)3.
We know that Al2O3 is the chemical formula for aluminum oxide.
Iron(II) oxide is Fe(OH)2 Iron(III) oxide is Fe(OH)3
Fe3O2. But it's not right! Oxygen forms a 2- ion and iron can be 2+ or 3+. So the formulae of iron oxide can be FeO or Fe2O3.
The chemical formula for sodium oxide is Na2O (with the '2' written in subscript). So in one formula unit of sodium oxide, there is one sodium and two oxygen. 1 mole of sodium oxide would have 3 x 6.02 x 10^23 = 1.81 x 10^24 atoms.Sodium oxide is made of sodium and oxygen atoms. The chemical formula of it is Na2O. There are 3 atoms in 1 molecule of Na2O.
Ferric Carbonate = Iron (III) carbonate. Fe3+ + 3CO32- ==> Fe2(CO3)3
Al2O3 - aluminum oxide (dialuminium trioxide); this oxide is not a cation or anion but a chemical molecular substance.
The valency of manganese is typically +2 or +3. The chemical formula for the most common compound, manganese oxide, is MnO2.
Aluminum oxide has a chemical formula of Al2O3, which means there are 2 aluminum atoms and 3 oxygen atoms in each molecule of aluminum oxide.
The chemical formula for chromium III carbonate is Cr2(CO3)3. When it decomposes, it yields chromium III oxide (Cr2O3) and carbon dioxide (CO2).
Potassium oxide, with the chemical formula K2O, consists of two potassium ions (K+) and one oxide ion (O2-). Therefore, there are a total of 3 ions in potassium oxide.