元素符號:Al
中文名稱:鋁
英文名稱:Aluminum
原子序數(shù):13
原子量:26.98
外圍電子排布:3s2 3p1
核外電子排布:2,8,3
常見化合價:+3
密度:2.702
溶點:660.37
沸點:2519
所屬周期:3
所屬族數(shù):IIIA
原子半徑:1.82
離子半徑:0.54(+3)
共價半徑:1.18
同位素及放射性:Al-27
發(fā)現(xiàn)人:Hans Christian Oersted
發(fā)現(xiàn)時間:1825
發(fā)現(xiàn)地點:丹麥
名稱由來:Latin:alumen,aluminis,(alum).
元素描述:Soft,lightweight,silvery-white metal.Third most abundant element in the earth's crust.
元素來源:Never occurs in free form.Obtained by electrolysis from bauxite (Al2O3).
元素用途:Used for many purposes from airplanes to beverage cans.Too soft in its pure form so less than 1% of silicon or iron is added,which hardens and strengthens it.