Iron (Fe) is a chemical element.
Rusting of iron is chemical. It is the combination of oxygen with the iron, creating a different chemical: rust or iron oxide.
FeS is not a chemical equation but a chemical formula; FeS is the chemical formula of iron sulfide.
Iron is a chemical element, not a "change" !
Iron is a chemical element, not a "change".
rust is a chemical change for iron
The chemical formula of iron pyrite is FeS2.
Iron, as an element, is its own chemical. He means chemical formula, in that case it's "Fe."
Iron (Fe) is a chemical element, water is a chemical compound (H2O).
The chemical symbol for iron is Fe and the chemical symbol for nickel is Ni.
Iron is a chemical element, not a change.
Rusting is the common chemical reaction for iron.
Iron rusting is a chemical change.