Question: what are the physical properties of chlorine?
Answer: Color: Greenish-yellow. Phase: Gas. Odor: Disagreeable, suffocating smell. Density: About two and one-half times as dense as air. Solubility: Is soluble in water. ...  Boiling Point: The boiling point of chlorine is –34.05°C. Melting Point: The melting point is –101°C.