الوصف

Lead is a compound component with the image Pb (from the Latin plumbum) and nuclear number 82. It is an overwhelming metal that is denser than most basic materials. Lead is delicate and moldable, and furthermore has a generally low dissolving point. At the point when crisply cut, lead is shimmering with a trace of blue, it stains to a dull dim shading when presented to air. Lead has the most noteworthy nuclear number of any steady component and three of its isotopes are endpoints of major atomic rot chains of heavier components.