7. Planets, asteroids, and comets orbit
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Ответ:
But gold is a noble metal (like platinum and silver), it remains stable in its pure form and doesn't donate electrons so, no loss electrons and the oxide don't happen at all. So the gold is known for its resistance to oxidation. As the noble metals have a very low reaction rate with oxygen, So there is no rusting as the rusting is the result of the reaction of the oxygen with the metals.So there is no tarnish appears. that's why the gold doesn't lose its shine and keeps its pure form.