Lead
Rafael Rosales
Periodic Table Information
Where on the table: 4A
Family:metals
Group:14
Period: 6
Atomic Number: 82
Atomic Mass: 207.2
Protons:82
Neutron:125
Electrons:82
Symbol:Pb
Where is Lead found in nature?
- 0.0013% of the earth's crust is made of lead
- found in its ores
Facts about Lead
Uses
- used by Romans to make water pipes
- used to line tanks and store corrosive liquids
- used in X-ray machines
- used to make car batteries
- used in nuclear reactors
- used to make paint
Physical Properties and Characteristics
- soft, malleable
- corrosion resistant
- high density
Chemical Properties
- dissolves slowly in water
- nonflammable
- reacts quickly with hot acids
Discovery
- Lead was not really discovered but instead available for thousands of years.
- Many ancient civilizations have used it.
- Ancient Romans to first use it in water pipes and make into sheets to write.