天气预报 > 其他 > 氦气是由分子构成还是原子
氦气是由分子构成还是原子
更新时间: 2020-08-16 00:00:00  

氦气属于稀有气体。

稀有气体的具体介绍:

稀有气体都是单原子分子,一个原子结构成了一个分子,它们很稳定。不同分子间只有分子间作用力,没有化学键。

关键词: 分子 构成 还是 原子

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