Lead Lead is a lustrous, silvery metal that tarnishes in the presence of air and becomes a dull bluish gray. resignation and flexible, it has a low melting point (327 °C). Its chemical symbol, Pb, is from plumbum, the Latin word for water systemworks, be nominate of points extensive exercising in ancient water pipes. Itsnuclear number is 82; its atomic weight is 207.19. Lead and channel compounds can be extremely toxic when eaten or inhaled. Although maneuver is absorbed very easily into the body, its rate of excretion is as yet slower. Thus, with constant exposure, lead accumulates gradually in the body.
It is absorbed by the red course cells and circu lated through the body where it becomes concentrated in the soft tissues, peculiarly the liver and kidneys. Lead can cause toll in the central nervous system and obviously can damage the cells making up the blood- mental capacity barrier that protects the wittiness from many harmful chemicals. Symptoms of lead poisoning include departure of appetite, weakness, anemia, ...If you want to get a full essay, order it on our website:
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