By Joshua Kabasele, Logan Williams, Julian Tong (1st Period)
Lead was first discovered in 7000 BC
No one knows who exactly discovered lead nor when it was found.
Lead can be found in all parts of our environment the air, the soil, and the water.
Lead has a boiling point of 1,750 to 1,755°C.
Lead is bluish gray
Lead's physical state is solid at room temperatures
Lead has a density of 11.34 g
Lead has 6 valance electrons
Lead is used in batteries, bullets, building construction, Mechanical and regular pencils, and weights.Atomic number: 82
Atomic mass: 207.2 amu
Atomic symbol: Pb