[填空题]
Iron (II) oxide,FeO, is one of the most abundao0 atexg :9e,4fe6kltnc1+ xo nt compounds in4 i2l0c4m a5ctiyie bd,7 dw,n Earth’s crust at nearly 9% by m04dn7a id wcl, 2,5bmcitei4yass.
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 $Fe_2O_3$.
