Mercury is a naturally occurring element that is found in air ,soil or water. It exits in several forms : elemental or metallic mercury , inorganic mercury compounds & organic mercury compounds. mercury is an element in earth crusts, humans cannot create or destroy mercury. Pure mercury is a liquid metal,sometimes reffered as quick silver that volatizes readily . It has traditionally used to make products like : thermometers ,switches & some light bulbs. Mercury is find in many rocks including coal. when coal is burned mercury is released in enviornment. Mercury & it's compounds have been used in medicine although they are much less common today than they once were, now that the toxic effects of mercury & it's compounds are more widely understood.
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