Hydrogen cyanide is made by the combustion or pyrolysis of selected elements under oxygen-deficient circumstances. Don't forget metals shed electrons to type cations and nonmetals acquire electrons to form anions. Determine 2.7.2 lists the ions (cation and anion) which have invariant oxidation states. All of the anions are of this https://fernandozhnpy.isblog.net/how-much-you-need-to-expect-you-ll-pay-for-a-good-is-potassium-cyanide-dangerous-47587529