What roman numeral should be assigned to copper when naming the compound CuBr2?

copper (ii)

Explanation:

fyi, for this, you can just look up the chemical compound and it will show you

Bromine is an e belongs to the halogen family with atomic number 35. Bromine has 7 valence electrons and the valency of bromine is 1. Thus, since you have 2 bromine, that means that the copper has 2 extra elections thus (II)

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

i think the answer is terrae but not 100 percent sure. ▓▬▬ §