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水的热稳定性为什么比氨强
更新时间: 2020-10-11 00:00:00  

热稳定性的实质是受热分解的难易度。氨气和水都是气态氢化物同样都含有氢键,但水中氧原子和氨中氮原子相比,氧的相对原子质量比氮要大,因此,氧原子半径比较小,束缚电子、吸引氢离子的能力比氮强,即水的电负性大。综上,水的热稳定性比氨强。

关键词: 稳定性 为什么

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