元素名稱化學(xué)符號原子量密度/(g/cm3)元素名稱化學(xué)符號原子量密度/(g/cm3)銀Ag107.8810.5鈮Nb92.918.6鋁Al26.972.7鎘Cd112.418.65砷As74.915.73鈷Co58.948.8金Au197.219.3鉻Cr52.017.19硼B(yǎng)10.822.3銅Cu63.548.93鋇Ba137.363.5氟F19.001.11鈹Be9.021.9鐵Fe55.857.87鉍Bi209.009.8鍺 (共 652 字) [閱讀本文] >>