daniellemills2005 daniellemills2005 09-11-2022 Physics contestada In the reaction shown, iron reacts with water to form iron oxide (Fe3O4) and hydrogen gas (Hâ‚‚). 3Fe + 4Hâ‚‚0 Fe3O4 + 4Hâ‚‚ Which of these BEST describes the iron (Fe) reactant? A. molecule B. ion C. compound D. Element