What compounds do halogens form with other elements?

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Pure halogens exist as diatomic molecules, e.g., Cl 2 ; they form interhalogen compounds, i.e., compounds between two halogens. The halogens form numerous compounds with other elements. With hydrogen they form hydrogen halides, whose water solutions are called hydrohalic acids, e.g., the water solution of hydrogen chloride is called hydrochloric acid. They form numerous metal halides, or salts , e.g., sodium chloride, common table salt. They also form halocarbons, compounds with carbon and often other elements such as hydrogen and oxygen. Chloroform , iodoform , and carbon tetrachloride are halocarbons. Some other halogen compounds are calomel (mercurous chloride), fluorite , sal ammoniac ( ammonium chloride ), corrosive sublimate (mercuric chloride), and chlorine bleaches.