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水固态密度大还是水液态的密度大

更新时间: 2020-07-02 00:00:00     

液态水分子活动较固态时剧烈,不易形成稳定的氢键。分子间相互作用力弱,平均距离较远。而冰中水分子活动明显减弱,相互之间可以形成较固定的氢键,具有稳定的晶体结构,分子间作用力增大,平均距离缩小。水具有热胀冷缩的特点,同质量的水,固态时的体积大于液态水的体积。

关键词: 固态 密度 还是 液态

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