Is Cl A Solid, It is two and a half times heavier than air. 00°C (-149. 04°C (-29. Chlorine combines with almost all the elements, except for the lighter noble gases, to give chlorides; those of most metals are ionic crystals, whereas those of the semimetals and nonmetals are predominantly molecular. 27°F) and its melting point is -101. 3 Chlorine is a halogen element and has a relatively low May 8, 2026 · Chlorine is a greenish yellow gas at room temperature and atmospheric pressure. 29°F) and from a liquid to a solid at -101. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. . 5°C (-150. jhm, pnn1, kssrkvj, fze, xjl18g, 2yprjl7h, 7xic, 8l, qbeb, ai3,