D. 7 4. Which of the following occurs in a covalent bond?
A Two atoms share protons.
B. Two atoms share electrons.
C. Similarly charged ions attract.
D. Oppositely charged ions attract.

If 15.6 grams of iron (iii) oxide reacts with 12.8 grams of carbon monoxide to produce 9.58 g of pure iron, what are the theoretical yield and percent yield of this reaction? be sure to show the work that you did to solve this problem. unbalanced equation: fe2o3 + co yields fe + co2