halogen oxide

A halogen oxide is a chemical compound that contains both oxygen and a halogen element. Halogens are nonmetallic elements found in Group 17 of the periodic table, including fluorine, chlorine, bromine, and iodine. These elements are known for their reactivity and tendency to form salts, hence their name "halogen," meaning "salt producer".1

Oxides, in general, are compounds where oxygen is combined with another element. Halogen oxides can exhibit varying degrees of covalent bonding, depending on the specific halogen and its oxidation state. For example, chlorine can form oxides like chlorine dioxide (ClO₂) and chlorine heptoxide (Cl₂O₇), which are molecular in character. These compounds are often powerful oxidizing agents.21