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Mercury - Paper

Mercury

’s symbol is Hg, its atomic number is 80, its atomic mass is 200.59, its in group 12 and in period 6, and it also has two valence electrons. Its standard state is liquid at 298şK and it is the heaviest known elemental liquid. It has a silvery white color. It is named after the planet "" the origin of the symbol Hg is the Latin word "hydrargyrum" meaning "liquid silver". was known to ancient Chinese and Hindus before 2000 B.C. and was found in tubes in Egyptian tombs dated from 1500 B.C. is the only metal liquid at ordinary temperatures. is sometimes called quicksilver. It sometimes occurs free in nature and is found mainly in cinnabar ore which is HgS. Cinnabar ore is found in ...

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in explosives and mercuric sulfide HgS used as a high-grade paint pigment. Organic compounds are important and dangerous. Methyl is a lethal pollutant found in rivers and lakes. is a virulent poison and is readily absorbed through the respiratory tract, the gastrointestinal tract, or through unbroken skin. It acts as a cumulative poison since there are few pathways available to the body for its excretion. Since is a very readily vaporizable element at a relatively low temperature, dangerous levels are readily attained in air. Air saturated with vapor at 20°C contains a concentration that exceeds the toxic limit many times. The danger increases at higher temperatures. It is therefore important that be handled with care. Containers of should be securely covered and spillage should be avoided. should only be handled under a well-ventilated area. is well known because of its use in many thermometers. It was common to demonstrate the formation of in the laboratory ...

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Mercury. (2006, December 30). Retrieved December 23, 2024, from http://www.essayworld.com/essays/Mercury/57930

"Mercury." Essayworld.com. Essayworld.com, 30 Dec. 2006. Web. 23 Dec. 2024. <http://www.essayworld.com/essays/Mercury/57930>

"Mercury." Essayworld.com. December 30, 2006. Accessed December 23, 2024. http://www.essayworld.com/essays/Mercury/57930.

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PAPER DETAILS

Added: 12/30/2006 11:34:47 PM
Category: Science & Nature
Type: Premium Paper
Words: 391
Pages: 2

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