Lead is a metal chemical element, the element symbol is Pb, the atomic number is 82, and the atomic weight is 207.2. It is the non-radioactive element with the largest atomic weight. Lead metal is a face-centered cubic crystal.
Metal lead is a kind of corrosion-resistant heavy non-ferrous metal material. Lead has the advantages of low melting point, high corrosion resistance, X-ray and γ-ray penetration, and good plasticity. It is often processed into plates and pipes and is widely used in chemicals. , Cables, batteries, and radioactive protection industries.
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