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WebMay 16, 2024 · Heavy metals are defined as those elements with a density greater than 5 g/cm 3 and an atomic number greater than 20, and include 53 metals [ 2] (gold (Au), silver (Ag), Cu, etc.). Despite being a metalloid element, arsenic (As) is listed as a heavy metal due to its multiple properties, similar to heavy metals. WebGet the Facts: Heavy Metals: Mercury and Arsenic - Toxic-Free Future Toxic Chemicals Heavy Metals: Mercury and Arsenic About Mercury and Arsenic Mercury, arsenic, and lead are found naturally in the earth, but just because they’re natural chemical elements doesn’t mean they’re harmless. WebSep 1, 2024 · Some metals such as As, Cd, Cr, Hg and Pb are characterized under metals of utmost interest and are critical to community health; due to their high-level harmfulness, various organ impairment driven by the exposure even at … import my hermes