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单质有哪些物质啊

更新时间: 2020-10-04 00:00:00     

氢气,氦气,氧气,氨气,氯气,铁,铜,锡,金,银,等等;

单质是由同种元素组成的纯净物。元素在单质中存在时称为元素的游离态。一般来说,单质的性质与其元素的性质密切相关。比如,很多金属的金属性都很明显,那么它们的单质还原性就很强。不同种类元素的单质,其性质差异在结构上反映得最为突出。

关键词: 单质 哪些 物质

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