4. Metal poisoning came to the foreground of the American consciousness when a spotlight was shown on the high lead levels in Flint’s water system in Michigan. Although many steps have been performed to reduce lead poisoning, namely in children, such as removing lead paint from homes in 1978, removing lead from gasoline, and proposing stricter laws on imported toys containing lead, heavy metal poisoning still exists. Chelation therapy is still the preferred medical treatment for such heavy metal intoxication [1]. Chelation therapy involves chelating agents binding to toxic metal ions to form complex structures, which can then be excreted from the body [1]. Chelation therapy is grounded in coordination chemistry, in which lone electron pairs
