Arsenide bromides or bromide arsenides are compounds containing anions composed of bromide (Br<sup>âÂÂ</sup>) and arsenide (As<sup>3âÂÂ</sup>). They can be considered as mixed anion compounds. They are in the category of pnictidehalides. Related compounds include the arsenide chlorides, arsenide iodides, phosphide bromides, and antimonide bromides.