Heavy Metal. Essential and nonessential heavy metals. Heavy metals HMs are defined as those elements having an atomic number greater than 20 and atomic density above 5 g cm 3 and must exhibit the properties of metal 23839The HMs can be broadly classified into two categories.
In the case of the human body heavy metals can bind to vital cellular components and interfere with their functioning such as structural proteins enzymes and nucleic acids. Essential and nonessential heavy metals. With roots in classic rock.
These heavy metals are displayed on the Periodic table with red color see above image The metals which show less characteristics of heavy metals are.
Rest of the elements which are shown in yellow color show. This review provides an analysis of the environmental. In science a heavy metal is a metallic element which is toxic and has a high density specific gravity or atomic weightHowever the term means something slightly different in common usage referring to any metal capable of causing health problems or environmental damage. Exposure may occur through the diet from medications from the environment or in the course of work or play.