Lead

 =Lead=


 * Atomic Number:** 82


 * Protons:** 82


 * Electrons:**  82


 * Neutrons:**125


 * Average Atomic Mass:**207.2


 * Isotopes:** Lead-204,Lead-206,Lead-207,Lead-208 Lead-200,Lead-201,Lead-202,Lead-203,Lead-205,Lead-210,Lead-211,Lead-212


 * Discovery:** Lead was discovered by known since ancient time at no data its still not known who discovered it.
 * Name:** Lead's origin name is" latin sliver" and the symbols name means"Plumbum"


 * Uses:** Lead is used in making glass,paint ,shield against X-rays and many many more.


 * Interesting Facts**:Lead tarnishes when exposed to air.

media type="youtube" key="2ERfPN5JLX8" width="425" height="350" >
 * Video:**
 * Sources**
 * **Video: http://www.youtube.com/watch?v=2ERfPN5JLX8&eurl=http://www.periodicvideos.com/videos/082.htm **
 * **Photo: http://www.flickr.com/photos/bionerd/2910593224/ ** **Pb-lead-periodic table of elements** **by:blonerd**
 * http://www.webelements.com**/**
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