Pb 元素符号:Pb 中文名称:铅英文名称:Lead 原子序数:82 原子量:207.2 外围电子排布:6s2 6p2 核外电子排布:2,8,18,32,18,4 常见化合价:+2,+4 密度:11.34 溶点:327.502 沸点:1740 所属周期:6 所属族数:IVA 原子半径:1.81 离子半径:1.19(+2) 共价半径:1.47 同位素及放射性:Pb-204 Pb-206 Pb-207 *Pb-208 发现人:Known to the ancients. 发现时间: 发现地点: 名称由来:Anglo-Saxon:lead; symbol from Latin:plumbum. 元素描述:Very soft,highly malleable and ductile,blue-white shiny metal. 元素来源:Found most often in ores called galena or lead sulfide (PbS).Some is found in its native state. 元素用途:Used in solder,shielding against radiation and in batteries.