chlo.rine
n.Symbol Cl (名词)符号 Cl A highly irritating, greenish-yellow gaseous halogen, capable of combining with nearly all other elements, produced principally by electrolysis of sodium chloride and used widely to purify water, as a disinfectant and bleaching agent, and in the manufacture of many important compounds including chloroform and carbon tetrachloride. Atomic number 7; atomic weight 35.45; freezing point -00.98=C; boiling point -34.'=C; specific gravity .5' (-33.'=C); valence , 3, 5, 7.See table at element 氯:一种具有很大刺激性的、几乎能与所有其它元素化合黄绿色气体卤素,主要通过电解氯化纳获得,作为一种消毒及漂白剂广泛用于使水净化,以及用在包括三氯甲烷和四氯化碳在内的许多重要化合物的生产过程中。原子序数为7;原子量为35.45;冰点为零下00.98=C;沸点为零下34.'=C;比重为.5'(零下33.'=C);化合价,3,5,7参见 element