Ionic compound | Covalent compound |
Ionic compounds, made up of ions, and these are generally crystalline solids. | Covalent compounds made up of molecules, can exist as soft solids or liquids or gases. |
They have high melting and boiling points. | They have low melting and boiling points. |
They are soluble in water. | They are generally insoluble in water. |
They are good conductors of electricity in aqueous solution and molten state. | They are poor conductors of electricity. |