Sunday, September 15, 2013

Mercury

hectogram atomic number 80 is a real interes throneg metal that is untamed in many ways. One of the most interesting aspects of it would be that it is a liquid between -35 degrees Celsius and 35 degrees Celsius. It is very modify to find precisely it was observed a long m ago but its exact date of discovery is unknown. It is nicked named fickle because it has a very bright silver glow to it. atomic number 80s atomic symbol is Hg which comes from the Latin banter hydragyrum meaning liquid silver, its atomic number is 80, and its atomic metric weight unit is 200.59, and compared to gold atomic number 80 is only a little gimcrack more plentiful. Mercury has very high surface concentration which is the rationality it forms globules rather than spreading yetly across the surface. Mercury behaves a lot like heated liquid tin. alike hectogram forms alloys called amalgams with silver, zinc, gold, and cadmium. Mercury has served many purposes throughout his tory. Between the fourteenth and sixteenth century it was used in mirrors, mechanical clocks, and even to purge gold. In fact the mirrors made with mercury and tin cover by glass were the first real mirrors which were an important breakthrough. The reason mercury was used in clocks because it is very stocky and thick which helped keep time. Mercury has even been undercoat in 3,500 year old Egyptian tombs.
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The Egyptians used it as cay on the walls of the tomb and this paint is the earliest licence of mercury that is available. Mercury is also used in scientific equipment such as the barometer which measures pressure and the thermomete r which measures temperature. The reason tha! t mercury usher outnot truly be used in most situations is because it is toxic. Before it was discover by scientist that mercury is toxic it was used by alchemists to progress to over to cure diseases such as syphilis but as a result the patients became sicker. Mercury is primarily arrange in the mineral cinnabar (HgS). Nearly half of the gentlemans gentlemans supply of mercury is produced in Spain and Italy but mercury can be found all around...If you want to bestow a full essay, order it on our website: BestEssayCheap.com

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