82. Pb. 207.2. The chemical element lead is classed as an other metal. It has been known since ancient times. Its discoverer and discovery date are unknown.
Oct 6, 2016 ... When large deposits of graphite were first discovered in England in the 1500s, people assumed they had discovered lead, hence the name.
Early populations recognized the existence of lead some 7000 years ago, while by 3000 BC people had already discovered how to smelt lead from ore. A statue ...
Lead was one of the earliest metals discovered by the human race and was in use by 3000 B.C. The ancient Romans used lead for making water pipes and ...
The Element Lead - Basic Physical and Historical Information.
An answer to the question: A list of the elements and who discovered them. ... Element Name, Discovered By, Year ... Lead, Known since ancient times ?
Lead is a chemical element with symbol Pb (from the Latin plumbum) and atomic number 82. ...... Further evidence of the threat that lead posed to humans was discovered in the late 19th and early 20th centuries. Mechanisms of harm were ...
Lead has been around for thousands of years. It is impossible to say when humans first discovered the element. It does not occur as an element in the earth very ...
Lead facts | The International Lead Association is dedicated to encouraging responsible use of lead and its compounds. Representing lead producers, ILA is the ...
Discovery date, Ancient. Discovered by, -. Origin of the name, The name comes from the Anglo-Saxon word for the metal, 'lead'. Allotropes ...