周期系ⅦA族元素，包括氟(F)、氯(Cl)、溴(Br)、碘(I)、砹(At)和Uus，简称卤素。它们在自然界都以典型的盐类存在，是成盐元素，卤halogen的含义在希腊语中是“制造盐”的意思。
卤族 [lǔ zú]
双语例句原声例句
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过量摄入或缺乏卤族元素，都可能导致疾病的发生。
Excessive absorption or lack of halogen group elements could result in disease.
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萤石中含有卤族元素氟，是制取含氟化合物的主要原料，又由于熔点低而广泛用于炼钢、有色金属冶炼、水泥、玻璃、陶瓷。
A halogen element, f, is major raw materials deriving fluorine compound, and because of low melting point, that is widely used in steelmaking, nonferrous metal smelting, cement, glass and ceramics.
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So they'd much rather just stay the way they are and not have another electron come on, and it turns out that halogens have the highest electron affinities.
所以它们更愿意保持在原来的状态,不愿意再增加一个电子,结果卤族元素具有最高的电子亲和能。
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