铅是一只金属元素,原子序号为82。化学符号为:Pb,来自拉丁文个plumbum。铅重且有毒,必过伊展性好、质软。铅呈蓝白色,必过放勒空气里向,颜色邪气快变脱仔暗灰色。伊个主要用途勒建筑、电池、子弹、焊接搭合金里向。铅是穏定元素里向最沉重个。
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