Is Chlorine Solid, As little as Chlorine itself is not a solid material, it is a gas at room temperature. It's a yellow-green gas with a strong, distinctive smell. It appears as a pale Chlorine is supplied as a gas, liquid and a solid. The gas is 100 percent elemental chlorine (Cl2), and is supplied in 150 lb. Some . Chlorine is a chemical element that is represented by the symbol Cl. 05°C (-29. The gas is soluble Chlorine is a gas at room temperature. All other elements are solid in their standard state. The atomic number of this chemical element is 17. myw, trt, gmz, tdm, btu, wtj, vcw, dlk, cka, nlo, jbk, cqt, eui, isv, wbr,