Lead as a metal has been known about since Roman times where it was used to make coins and utensils as well as in plumbing. It was called Plumbum hence the symbol Pb. Lead is used in batteries in cars and also has a wide range of uses in shielding from radiation and x-rays in buildings. Lead is a poisonous metal so must be handled carefully. It is a solid metal at room temperature with a melting point of 327°c and a boiling point of 1749°c.
Known to the ancients.