初中化学精品资源下载基地

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当前位置：首页 > 教学参考> 备课参考> 化学图库 > 内容详情

元素图解65：钬(Ho)

作者：czhxzx 人气： 232 次时间：2013-03-14 星级：★★★

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图片简介：

主要性质和用途

　　熔点为1 356 ℃,沸点为3 123 ℃，密度为8.229 g/cm³(20 ℃)。银白色稀土金属。在空气中缓慢氧化，能与冷水反应。用于激光器和固态装置等。

　　发现

　　1843年由莫桑德尔（C. G.Mosander）在瑞典发现

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