Ionic
covalent
Ionic. Iron can be present as Fe2+ or Fe3+. Oxygen is present as the oxide ion O2-
Ionic
Ionic
Ionic
covalent
Ionic. Iron can be present as Fe2+ or Fe3+. Oxygen is present as the oxide ion O2-
Ionic
Ionic
Ionic
Ionic
Iron phosphates are ionic compounds, but the ion phosphate has covalent bonds between O and P.
Ionic
ionic
It is an ionic compound
No. Iron III oxide is an ionic compound. This is due to the large difference in electronegativity between oxygen and iron. If the electronegativity difference is greater than 2.0 a compound is generally ionic. The difference between iron and oxygen is 2.61.
Electronegativity Fe = 1.83; O = 3.44 3.44 - 1.83 = 1.61 Since the electronegativity difference is 1.61 the bond is polar covalent 0 - 0.4 = Pure Covalent Bond 0.41 - 1.7 = Polar Covalent Bond 1.7 + = Ionic Bond