The meaning of MERCURY is a Roman god of commerce, eloquence, travel, cunning, and theft who serves as messenger to the other gods. How to use mercury in a sentence.
Mercury is so dense, and clings to itself so strongly, than the man floats on it like Styrofoam floats on water. The pressure inside a pool of mercury rises 13 times more rapidly than the pressure in a pool of water (because it is 13 times more dense). Imagine sticking your arm straig...
HistoryThe name of Hg derives from the Roman god “Mercury”, the nimble messenger of the gods, since the ancients used that name for the element, which was known from prehistoric times. The name mercury originated in 6th-century alchemy, in which the symbol of the planet was used to repr...
8. Mercury is too hot during the day and too cold at night for liquid water to exist on its surface. 水星白天过热,夜晚过冷,其表面无法存在液态水。 9. The element mercury is often used in thermometers due to its liquid state at room temperature. 汞元素常用于温度计,因为它在室温下是液态。
SymbolHgAsilvery-white,dense,poisonousmetallicelementthatis aliquidatroomtemperature.It isusedtomakethermometersandpesticides.Atomicnumber80.SeePeriodic Table. WordHistoryLikeafewotherelements,mercuryhasachemicalsymbol,Hg,thatbearsnoresemblancetoitsname.ThisisbecauseHg is anabbreviationoftheLatinnameoftheelement,...
Environmental health criteria for inorganic mercury were discussed by WHO. An earlier volume on the history of mercury contains much fascinating information on this important element.John Wiley &Sons, Inc.Patty's Toxicologydoi:10.1002/0471435139.tox030Ernest...
Mercury definition: a heavy, silver-white, highly toxic metallic element, the only one that is liquid at room temperature; quicksilver: used in barometers, thermometers, pesticides, pharmaceutical preparations, reflecting surfaces of mirrors, and dental
History, 20th CenturyTechnetiumIN NATURE (April 12) the writer of the notice of Dr. Mellor's treatise on chemistry refers to the suggestion of a missing element between cadmium and mercury. That there is no unknown element to go there is of course evident, but it is highly probable that ...
Mercury is used in thermometers, barometers, manometers, sphygmomanometers, float valves, mercury switches, mercury relays, fluorescent lamps and other devices, although concerns about the element's toxicity have led the phase out of such mercury-containing instruments.[7] ...
Mercury is a chemical element with the symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly named hydrargyrum. Mercury - History and Drug-Application Oct 19, 2020 Since around 500 BC, the mines at Sisapo in Almade′n (Arabic for the mine) in Southern Sp...