It has many different forms. Arsenic is a naturally occurring allotropic pnictogen and metalloid trace element with atomic symbol As, atomic number 33, and atomic weight 74.92 that is found in water, air, food, and soil, and has a role as a micronutrient. Arsenic is released into the environment by the smelting process of copper, zinc, and lead, as well as by the manufacturing of chemicals and glasses. Toxic metals, including "heavy metals," are individual metals and metal compounds that negatively affect people's health. When heated in air, arsenic combines with oxygen to form arsenic … It is present in the environment both naturally and due to certain human activities. Most arsenic gets into the body through ingestion of food or water. Arsenic may also be found in foods, including rice and some fish, where it is present due to uptake from soil and water. Arsenic is a non metal element. Arsenic is sometimes alloyed with lead to form a harder, more durable metal. Grey arsenic is the usual stable form with a melting point of 817 degree Celsius. 1. Arsenic is also in the soil from smelters and some pesticides. A metalloid is an element that has properties of both metals and non-metals. Arsenic compounds are still used to make special glass, semi-conductors (gallium arsenide), some paints, dyes, metals, soaps, and drugs. In very small amounts, many of these metals are necessary to support life. However, in larger amounts, they become toxic. No, arsenic is a metalloid, which means it has characteristics of both metals and non-metals. What is arsenic? Some areas of use include car batteries and bullets. Arsenic is a type of carcinogen that’s gray, silver, or white in color. Low levels of arsenic are found in soil, water and air. Some toxic, semi-metallic elements, including arsenic and selenium, are discussed in this page. 1.1 Arsenic is a natural element which behaves like a metal. Arsenic is found in water supplies worldwide with exposure of marine life. Until recently, arsenic was commonly used in glassmaking. Metalloids occur in the periodic table on either side of the staircase line that starts between boron and aluminum. Although it is sometimes found in its pure form as a steel grey metal, arsenic is usually part of chemical compounds. The arsenic leaches out into soil and rubs off the wood on to people or animals. Yellow arsenic has a specific gravity of 1.97 while grey arsenic has a specific gravity of 5.73. List of Heavy Metals If you go by the definition of a heavy metal as a metallic element with a density greater than 5, then the list of heavy metals is: Arsenic doesn't seem much like a metal in its so called yellow form, but it also has a grey form known tellingly as metallic arsenic. Arsenic in drinking water is a problem in many countries around the world, including Bangladesh, Chile, China, Vietnam, Taiwan, India, and the United States. 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