William finds a piece of pure iron in his garden. After a few days, the iron begins to rust. What are the two types of substances involved in the rusting process of iron? Iron is with one kind of atom that combines with oxygen from the air to form rust (iron oxide). Rust contains two types of atoms, which means it is .

Explanation:

Rusting of iron occurs during the reaction of iron and oxygen in the presence of moisture to form hydrous iron (III) oxide, which is a reddish brown substance.

By virtue of this, the atoms which are reactants in the redox reaction would e oxygen and iron.

I hope this was clear and easy to understand.

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explanation:

6.4 cm (max) - 25 cm (min)