What is the atomic number for lead?

The atomic number of lead is 82. The atomic number represents the number of protons found in the nucleus of an atom, which determines the element's identity and position in the periodic table. Lead, with the symbol Pb, is located in group 14 and period 6 of the periodic table. Its properties include a high density and a significant atomic mass, which have made it historically useful in applications such as radiation shielding and construction materials. Understanding atomic numbers is crucial in fields like chemistry and physics, as they define elemental characteristics and behaviors in various reactions and processes.