Lead
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Lead is a chemical element.Being exposed to lead should be avoided it is very toxic to humans and other animals. lead forms naturally in the earths crust. It is a dark greyish-blue, but shiny metal. Its use is restricted in many countries. It used to be used in gasoline to prevent engine knocking, but not anymore, because many people were poisoned by the lead-containing exhaust. It is also used to shield radioactive materials (it stops the radioactivity getting passed it).
More Things to know About Lead
Leads elememt symbol is Pb, Atomic Number is 82, Atomic Weight is 207.2, Period 6, Group 14, melting point 327.8 C,
USES Used in some paint, Bullets and other ammunision, Batteries, in water, also used to sheild radiation, lead weights.. and much more
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