Why do iron oxides have different properties to iron and steel, and oxygen gas?
1 Answer
Nov 19, 2016
Because iron oxide is chemically distinct to iron and oxygen. Different materials have different properties.
Explanation:
See this old answer. And also [here.](https://socratic.org/questions/how-are-redox-reactions-involved-in-corrosion?source=search)
The point is that there are several iron oxides known, and oxidation of iron in steel structures is of vital concern to structural engineers.