![]() and some European countries because of its mercury content but can still be found in many parts of the world. may remember Mercurochrome™ (Merbromin), a complex organic compound of mercury, which was a bright red-orange liquid used as a topical antiseptic. Outside of the USA, inorganic mercury may be found in some cosmetics. ![]() Mercury is used in thermometers, dental amalgams, mining processes because it combines with rare earth metals, and some industrial processes. Other sources include combustion of fossil fuels, electrical items like dry-cell batteries, fluorescent light bulbs, and mercury switches. ![]() The major source of mercury in the environment is the mercury that naturally volatilizes, or evaporates from the Earth's crust. Organic forms of mercury are generally much more toxic than inorganic mercury because the organic forms are more easily absorbed by the body. When the mercury combines with carbon, inorganic mercury compounds known as organomercurials, such as methylmercury, are created. As an inorganic metal it commonly binds with gold, silver, cadmium, and zinc and is commonly present in the environment as mercuric oxides, chlorides, and sulfides. In its elemental form, mercury is a shiny and silvery white and at room temperature it acts like a liquid and will evaporate into the atmosphere. On the Earth, mercury is present in three forms: elemental, inorganic, and organic. Mercury is a naturally occurring heavy metal ("liquid metal) that is found within the Earth's Crust that is also known by the name "quicksilver".
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