Lead is a chemical element and its symbol is Pb. The atomic number of lead is 82. The atomic mass of lead is 207.2 grams per mole. Lead is present as a solid at room temperature or its normal phase is solid. Its color is bluish gray. It is categorized as transition metals. Lead is present in 14th group, 6th period and p block of the periodic table. The numbers of electrons in per shell of lead are 2, 8, 18, 32, 18 and 4. Moreover, the electronic configuration of lead is 4f14 5d10 6s2 6p2.