[填空题]
Iron (II) oxide,FeO, is one -qtm l)xh+.jn3j xbv; of the most abundant compou5jmuzr9k:/63 wqquu o nds in Earth’s crust at nearly 9% by mass kqr uq6z9/ujom 5u3:w.
Refer to Sections 9 and 17 of the data booklet for this question.
1.Calculate the electronegativity difference between iron and oxygen in FeO. The mumber= .
2.Use Δx and the average x to identify the bond type that exists between iron and oxygen in FeO.Average electronegativity = .
3.Iron can also exist as a $Fe^{3+}$ion ,resulting in iron (III) oxide when bonded to oxygen. Describe how the bond type differs in FeO compared to $Fe_2O_3$.
