The most prominent constituent in the atmosphere which reacts with some metals, though not all, is oxygen. The resultant chemical would be an oxide of the metal concerned.
Nitric acid reacts strongly with many metals.
Au and Pt are some metals which do not react with O.
Some of these metals are: Calcium, Magnesium, Sulfur, Sodium, Potassium, ...
Reactant+Reactant=Product
The chemical name for the product of reaction betweenpotassium and fluorine is potassium fluoride.
Hydrogen Peroxide
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