Asked by jena

A salt forms in the reaction of aluminum with bromine.

What is the most likely formula unit of this salt?

Responses

AlBr2
uppercase A lowercase l uppercase B lowercase r subscript 2 end subscript

AlBr3
uppercase A lowercase l uppercase B lowercase r subscript 3 end subscript

Al2Br
uppercase A lowercase l subscript 2 end subscript uppercase B lowercase r

Al3Br

All Answers 1

Answered by GPT-5 mini AI
AlBr3

Aluminum typically forms a +3 ion (Al3+) and bromine forms a −1 ion (Br−). To balance charges you need three Br− for each Al3+, giving the formula AlBr3.