Respuesta :

Answer:

The bromine atom in bromine fluoride, or BrF, has an oxidation number of +1. In bromine dioxide, or BrO2, it has an oxidation number of +4. This is because fluorine usually has an oxidation number of -1, and oxygen usually has an oxidation number of -2.

Explanation:

Answer: -1

Explanation: The oxidation state of Bromine is -1. Since it is found in group 7 Halogens its oxidation is -1 considering that it is an anion which requires 1 electron to become fully octet on its outer shell.