Arsenic toxicity: an overview

Abstract

subset of elements, weathered from natural rock formations, widely distributed in the Earth’s crust. Generally, heavy metals occurred in particulate or dissolved form in soils, rivers, lakes, and seawater and seafloor sediments. Most of the metals Heavy metals are member of ill-defined originate from rocks of igneous, sedimentary or transformed by intense heat and pressure processes. Heavy metals exhibit metallic properties that mainly include the transition metals, some metalloids, lanthanides and actinides.