Does wood silver aluminum copper gold and steel rust?

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1201345

2026-04-27 01:20

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(For the purposes of answering this question I am rephrasing it as: "Which, if any, of the following materials 'rust': wood, silver, aluminum, copper, gold, and steel")

The Word "rust" (a verb) usually refers to the oxidation of iron, or most kinds of steel, to form an oxide of that material (i.e., iron oxide) on the surface, also called "rust" (a noun).

More generally, the oxidation of any metal could be called rusting, in which case silver, aluminum, and copper all "rust" to differing degrees. To the best of my knowledge, gold and stainless steel do not oxidize under ordinary atmospheric conditions.

(Silver "rust" is usually called "tarnish", copper "rust" "verdigris", and aluminum "rust" "aluminum oxide".)

Wood is not a metal (nor an element), and its oxidation is ordinarily a fire producing ash and smoke, complex compounds containing many oxides, but never considered "rust".

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