Coordination number vs. oxidation number for bromine (Br) Element chosen: Br Oxidation number (ON) chosen: -1 Coordination number (CN) chosen: 5 Select any formula to view further details for that compound. Formula VCBOLEXZ± [Br(In)]Br«V1C5O-I» [Br(In)]Br«V1C5O-I» Total number of compounds: 2