While fish might come to mind first when you think of mercury contamination, other foods besides fish can contain mercury. Mercury toxicity can lead to many harmful health effects. Mercury is a naturally occurring heavy metal, found throughout the environment. Also people use it in chemistry because it's very well understood. Mercury is a naturally occurring element. It is commonly known as quicksilver and was formerly named hydrargyrum (/ h aɪ ˈ d r ɑːr dʒ ər ə m / hy-DRAR-jər-əm). Elemental mercury is poisonous, producing mental and coordination problems, so people have moved away from mercury thermometers and other everyday uses. Mercury is a naturally occurring element, but it can also be released into the environment from the burning of coal and oil. The mercury in fish has been converted to methylmercury, which is more toxic than the element found in household products. Mercury is a naturally occurring element that is found in air, water and soil. Mercury has been found in the deepest part of the Earth’s oceans, the 11,000-metre-deep Mariana Trench in the northwest Pacific. It is an extremely heavy metal, but is rarely found as a pure metal in nature. Mercury is a metal found in the environment, including in the water, air and soil. Exposure to mercury – even small amounts – may cause serious health problems, and is a threat to the development of the child in utero and early in life. Mercury vapors are toxic for people but it's widely used in everyday life (thermometers) and in science too. It is mined from mercury ores, such as cinnabar (also called vermilion). In this article: Where mercury is found, what it does in our body, and how to avoid or treat mercury exposure. Mercury is a chemical element with the symbol Hg and atomic number 80. Mercury is a toxic substance that can cause neurological disorders and damage to the nervous system. Mercury (sometimes called quicksilver) is naturally found in rocks and soils, and is liquid at room temperature. Unborn children are most at risk from methylmercury poisoning. Mercury is not found as a pure element in nature. You can be exposed to mercury by breathing the vapors, through skin contact or by eating foods contaminated with mercury. It is primarily mined from cinnabar (mercury sulfide), which is a bright red mineral, sometimes called vermilion, found in Spain and Italy. It often contaminates air and water when emitted from factories as part of industrial waste. To locate mercury in the home, start by checking your gauges and meters. Foods Containing Mercury. Mercury can also be found … U.S. archaeologist George Cowgill, who's devoted his life to unearthing the site, said the mercury find is just the beginning. Mercury is a natural liquid element found in small amounts in rocks. Not found as a pure element in nature chemical element with the Hg. 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