Question

similar properties figure 2 at room temperature, chlorine is a gas, bromine is a liquid, and iodine is a solid. however, all three elements share some physical properties. they also have very similar chemical properties. they are grouped in the same column on the periodic table. what common property do you observe?

Explanation:

Chlorine, bromine, and iodine are halogens in the same group of the periodic table. Elements in the same group have similar chemical properties due to the same number of valence electrons. Physically, they are non - metals.

Answer:

They all have similar chemical properties and are non - metals.