Cl₂

Definition

Cl₂ refers to chlorine gas, which is composed of two chlorine atoms covalently bonded together. It exists as a pale yellow-green gas at room temperature.

Related terms

Halogen:

Any of the five elements (fluorine, chlorine, bromine, iodine, and astatine) in Group 17 of the periodic table.

Diatomic Molecule: A molecule composed of two atoms chemically bonded together.

Gas Phase: The state in which matter has no definite shape or volume and particles move freely.