Lead belongs to the group of chemical elements in the periodic table known as the Group 14 or 4A i.e. Carbon, Silicon, Germanium, Tin and flerovium are other members of group XIV of the periodic table. Occurrence of Lead: The existing of lead in the Solar System is approximately 0.121 parts/million. It is 2 ½ times more than platinum while 8 times more than mercury and 17 times more than gold itself. Nowadays amount of lead is increasing in the Universe due to decaying of elements into lead themselves. In earth the abundance of Lead is in the form of
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