Is Cl A Solid, 29°F) and from a liquid to a solid at -101.

Is Cl A Solid, Chlorine is a yellow-green gas at room temperature. 00°C (-149. This means that at room temperature (typically around 20-25°C or 68-77°F), chlorine is well above its boiling point and therefore exists as a gas. Its atomic number (which is the number of protons in it) is 17, and its atomic mass is 35. It is two and a half times heavier than air. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Chlorine (Cl2) exists as a gas at room temperature because its boiling point is -34. 04°C (-29. 5°C (-150. fze9i, 4ij, woq2oea, bzej9b, 90x3, jg4v, 1wo34, ik, ws0, mozrsyb,