Si溶于水吗

更新时间: 2020-07-10 00:00:00     

硅的原子序数14,相对原子质量28、0855,有无定形硅和晶体硅两种同素异形体,属于元素周期表上第三周期,IVA族的非金属元素。晶体硅为灰黑色,无定形硅为黑色,密度2、32到2、34克每立方厘米,熔点1410摄氏度,沸点2355摄氏度。晶体硅属于原子晶体,不溶于水、硝酸和盐酸,溶于氢氟酸和碱液,硬而有金属光泽。

关键词: si

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