If a piece of metal rusts before we can protect it or recycle it, do we lose it forever?
Would a piece of metal just rust away to nothing if just left outside?
What is the chemical change from [insert metal] to rust?
In: Chemistry
Metals are elements. There are iron atoms, and unless a nuclear change occurs to them they remain iron. Rusting is a chemical change when iron bonds to oxygen. It is still iron, just with oxygen. So no iron is lost. And you can separate the iron and the oxygen.
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