Answer:
The formula of the compound that forms when Cu2+ combines with bromine ions is CuBr2
Step-by-step explanation:
The copper ion has a charge of +2, and the bromine ion has a charge of -1.
In order to balance the charges, we need two bromine ions for every copper ion. So the formula is CuBr2.
This compound is also known as copper(II) bromide. It is a white solid that is soluble in water. It is used in a variety of applications, including photography, medicine, and manufacturing.