Lead

By Joshua Kabasele, Logan Williams, Julian Tong (1st Period)

Lead facts

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

What an atom is made of

82 protons, 125 neutrons, 82 electrons