Calcium and iron levels can impact the effects of lead, providing protection when high and leading to susceptibility when low. Lead poisoning damages the nervous system and interferes with enzymes by binding to sulfhydryl groups and mimicking other metals vital to reactions such as calcium, iron, and zinc. For more information, visit the Mayo Clinic’s page on lead poisoning. It affects every organ and body system when ingested. Lead is a neurotoxin that can damage the nervous system. Other elements in the carbon family include carbon, silicon, germanium, tin, and flerovium. Lead’s electron configuration is 4f14 5d10 6s2 6p2. Lead has an electronegativity of 2.33 (Pauling Scale). This makes it less reactive because it would require more energy to lose or gain four electrons. This element is the heaviest of the Carbon group, and it has four valence electrons. It lies in group 14 on the periodic table, below tin and to the left of bismuth. ![]() Lead, atomic symbol Pb, has an atomic number of 82.
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