Why do gold and silver not corrode in moist air
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Answered by
25
Gold and Silver (and other Noble Metals like Iridium and Palladium) do actually corrode in air, just very very VERY slowly. Bonding with
Oxygen is the usual source of chemical corrosion here on Earth, and every metal has its own personal "preference" for bonding with more
of itself vs with Oxygen. Iron, for instance, likes Oxygen a lot, and turns into rust without much effort at all. Gold much prefers more Gold
to Oxygen, so for the most part, it doesn't corrode. Metals which have very stable structures in a galvanic (electrochemical) sense don't
tend to bond to Oxygen very often. Gold and Silver are two of these metals.
Answered by
20
gold and silver are the least reactive metals in the reactive series and hence cannot bond with oxygen.therefore both do not corrode easily
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