Chapter 11, Problem 78E

Which of the following describes the element $\text{Br}$? Choose all that apply: (a) reacts vigorously as a metal; (b) belongs to a group consisting entirely of gases; (c) consists of diatomic molecules in the elemental form; (d) is one of the group of least reactive elements; (e) reacts vigorously with alkali metals to form salts; (e) forms a cation with a charge of $1+$.