Question

A halogen which is a solid at room temperature​

Answer 1

Physical Properties of Halogens

Physical Properties of HalogensIt includes elements that occur in three different states of matter at room temperature. Fluorine and chlorine are gases, bromine is a liquid, and iodine and astatine are solids. Halogens also vary in color, as you can see in the figure below.

Answer 2

Answer:

Physical Properties of Halogens

Physical Properties of HalogensIt includes elements that occur in three different states of matter at room temperature. Fluorine and chlorine are gases, bromine is a liquid, and iodine and astatine are solids. Halogens also vary in color, as you can see in the figure belo