The boiling point of Cl2 is -29.27 degrees Fahrenheit. Chlorine is a non-metal, which is characterized by a low boiling point. At room temperature, Cl2 is a gas. It belongs to Period Number 3, Group Number 17 and Group Name Halogen in the Periodic Table.
The name, "chlorine," is derived from the Greek word "chloros," which means greenish-yellow, the color of chlorine.
Cl2 reacts with sodium to produce sodium chloride, or table salt. Chlorine is widely used as a bleaching agent. Due to its antiseptic property, it is used to treat swimming pools and drinking water, making it safe for consumption.