What is the physical properties of chlorine

Boiling point, density, gravity, and valence.

Properties: Chlorine has a melting point of -100.98°C, boiling point of -34.6°C, density of 3.214 g/l, specific gravity of 1.56 (-33.6°C), with a valence of 1, 3, 5, or 7. Chlorine is a member of the halogen group of elements and directly combines with almost all of the other elements.

I’m guessing you’re more alert to yourself or your surroundings if you’re more concentrated