Heavy metals are generally defined as environmentally stable elements of high specific gravity and atomic weight. They have such characteristics as luster, ductility, malleability, and high electric and thermal conductivity. Whether based on their...

Heavy metals is a common toxicological term covering a number of metallic substances that acutely damage human beings and ecosystems, and whose atomic weights fall between and 64 and 201. Those responsible for the most injuries and deaths are lead,...

Heavy metals are metallic elements that have a high atomic number and are poisonous to living organisms. Approximately 30 metals have been shown to be poisonous to humans. Examples of heavy metals that are poisonous include mercury, chromium, cadmium,...

The heavy metals, which include copper (Cu), zinc (Zn), lead (Pb), mercury (Hg), nickel (Ni), cobalt (Co), and chromium (Cr), are common trace constituents in the earth crust. Their concentrations in the ambient environment have increased dramatically...

Heavy metal poisoning is the toxic accumulation of heavy metals in the soft tissues of the body. Heavy metals are chemical elements that have a specific gravity (a measure of density) at least five times that of water. The heavy metals most often...

Included in this group are cadmium, chromium, copper, iron, lead, manganese, nickel and zinc. All except iron, manganese and zinc have adverse effects on plants and animals in moderate to elevated concentrations. Soluble iron and manganese in water...

A heavy metal is any of a number of higher atomic weight elements, which has the properties of a metallic substance at room temperature. There are several different definitions concerning which elements fall in this class designation. Alternative terms...