Iodine monobromide is an interhalogen compound with the formula IBr. It's made up of iodine and bromine atoms.
Interhalogen Compounds: Compounds formed by halogens which are chemically similar but physically dissimilar elements.
Halogen Elements: Group 17 elements on the periodic table including fluorine, chlorine, bromine, iodine and astatine known for their reactivity.
Covalent Bonding: A type of chemical bond involving sharing pairs of electrons between atoms.