LEAD

Atomic Number 82(highest amongst the stable elements)

Melting point: 600.61 K. Boiling point 2022 K. 

Density: 11.34 g·cm−3 Post-Transition Metal

 Tin↑

Thallium ← Lead → Bismuth↓

Ununquadium

• Bluish white when recently cut.• Dull gray when exposed to air.• Shiny chrome silver when melted

Lead In History

Symbol: Pb

Oldest of the Metals

Roman Piping in Bath (Aquae Sulis), England

Ammunition

Diving Weights

Wheel weights

PaintRadiation shielding

Recent uses of Lead

Lead accumulates in the brain, spleen, liver, kidneys, and bones.

• Over 98% of homes in the U.S. have pipes that contain lead or lead solder.

• 7,500 cases of illness are linked to drinking water in the United States each year

• Drinking water supplied to 30 million people in 819 cities contains unhealthy levels of lead

• 50% of the population getting unsafe levels exposure

30,000,000Lead laden tv’s dumped on poor

countries.“U.S. citizens will buy 30 million new

digital televisions this year alone, sending their old lead-laden TVs to the dump, or more likely, overseas to China

or India.”

8 Pounds of LEAD per SET

Despite being the largest producer of e-waste, the U.S. has refused to sign the international Basel Convention

to prevent the transfer of hazardous waste from developed to developing countries.

People, especially children, are susceptible to lead poisoning

Acute lead poisoning associated with backyard lead smelting in Jamaica

Lead poisoning in aquatic birds

Small aircraft account for 29 percent of all lead emissions

in the United States

56 tons into the airevery year

61% of the 33 lipsticks tested contained lead

one third of the lipsticks tested exceeded the U.S. FDA safety standards

Including…

•Water•Air•Toys•Food Chain

LEAD

DEAD

Productions

Porcupyne