Lead - Wikipedia, the free encyclopedia

Lead - Wikipedia, the free encyclopedia

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日期:2026-04-24
Lead (/lɛd/) is a chemical element in the carbon group with symbol Pb (from Latin: plumbum) and atomic number 82. Lead is a soft and malleable metal, which is regarded as a heavy metal and a post-transition metal. Metallic lead has a bluish-white color af...看更多