Lead
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Lead (Pb) is a soft gray metal that has the atomic number 82 in the periodic table in Group 14. It has the symbol Pb.
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.
FAQ's
Known to the ancients.
3000 BC
Uses
Used in solder, shielding against radiation and in batteries.
Sources
Found most often in ores called galena or lead sulfide (PbS). Some is found in its native state.
About the author
Nathan M
Nathan has a degree in BSc Biomedical Chemistry at Warwick University and a degree in PGCE Science at Wolverhampton University, UK. Nathan's subject matter ranges from general chemistry and organic chemistry. Nathan also created the curriculum on Breaking Atom in the course page.
Citation
Pb
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