元素名称化学符号原子量密度/(g/cm3)元素名称化学符号原子量密度/(g/cm3)银Ag107.8810.5铌Nb92.918.6铝Al26.972.7镉Cd112.418.65砷As74.915.73钴Co58.948.8金Au197.219.3铬Cr52.017.19硼B10.822.3铜Cu63.548.93钡Ba137.363.5氟F19.001.11铍Be9.021.9铁Fe55.857.87铋Bi209.009.8锗 (共 652 字) [阅读本文] >>
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