Answer:
3
Explanation:
If oxygen reacts with iron, then both must be reactants and rust the product of that reaction
4Fe → 3O2 + 2Fe2O3
We see that the equation balances
There are 4 atoms of Iron (Fe) on the left and 2*2 = 4 on the right.
3 * 2 = 6 of oxygen on the left and 2 * 3 = 6 on the right.
Answer: 1. A, 2.B, 3. D, 4. B, 5. C
i have P.E. too lol have a great day!
True
Away from the central sulfur atom.
