V2EX halogen

Halogen

定义 Definition

名词 (n.) 卤素;指化学元素周期表中第七主族的五种元素(氟、氯、溴、碘、砹),它们具有强氧化性,能与金属反应生成盐类。也常用于指代卤素灯(一种利用卤素气体的高亮度灯泡)。

发音 Pronunciation

/hl..dn/

例句 Examples

Chlorine is the most commonly used halogen in water treatment.
氯是水处理中最常用的卤素。

The photographer preferred halogen lamps for studio lighting because they produce a bright, warm light that closely mimics natural sunlight.
这位摄影师更喜欢用卤素灯来做影棚照明,因为卤素灯能产生明亮而温暖的光线,非常接近自然日光。

词源 Etymology

该词源自希腊语,由 hals(意为"盐")和 -gen(意为"产生")组合而成,字面意思是"产生盐的元素"。这是因为卤素与金属反应后会生成盐类化合物(如氯化钠,即食盐)。该词由瑞典化学家永斯雅各布贝采利乌斯(Jns Jacob Berzelius)于19世纪初期推广使用。

相关词汇 Related Words

文学与学术引用 Literary & Academic References

  • 在莱纳斯鲍林(Linus Pauling)的经典著作《化学键的本质》(The Nature of the Chemical Bond)中,卤素作为典型的高电负性元素被反复讨论。
  • 在普通化学教科书如《Chemistry: The Central Science》(Theodore Brown 等著)中,halogen 是介绍元素周期表和化学反应性时的核心词汇。
  • 在科幻小说和硬科幻作品中,halogen 有时出现在描写外星大气成分或化学武器的语境中。
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