Arsenic is a group V element, together with nitrogen, phosphorus, antimony and bismuth. Its electronic configuration is [Ar]3d 10 4s 2 4p 3; it has an atomic weight of 75 and commonly occurs naturally in two oxidation states, +5, +3, and, more rarely, in the 0 or –3 state.Arsenic is classified as a metalloid in that it has a chemical nature intermediate …