Respuesta :

Answer:

Halogens

Explanation:

Fluorine and Chlorine are gases at room temperature.

Bromine is a liquid at room temperature.

Tennessine, Iodine, and Astatine are all solids at room temperature.

Answer:  Group 17 (HALOGENS)

Explanation:

At STP,

Fluorine & Chlorine are gases

Bromine is a liquid

Iodine, Astatine & Tennessine are solids