Is Chlorine a Light Gas

The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine is a yellow-green gas at room temperature.

Is chlorine gas a gas?

Chlorine is a yellow-green gas at room temperature. Chlorine has a pungent, irritating odor similar to bleach that is detectable at low concentrations.

How is chlorine heavier than air?

Once chlorine is released it evaporates quickly forming a greenish‐yellow cloud that is heavier than air and can be carried by the wind to several kilometres away from the source. In water, chlorine rapidly dissolves and forms hydrochloric and hypochlorous acids, which may be hazardous in high concentrations.