Question

Halogen which is liquid at room temperature __________.

Answer 1

Halogens

1. Halogens are group 17 elements in the periodic table.
2. They form salts with other elements and are thus called halogens.
3. At room temperature (${25}^o$C), they exist in all three states.
4. Solid: Iodine and Astatine
5. Liquid: Bromine
6. Gas: Chlorine and Fluorine.

Final Answer: Halogen which is liquid at room temperature is Bromine.