26 27 Physical characteristics Mercury is one of four terrestrial planets in the Solar System, and is a rocky body like Earth. It accumulates in the body, eventually causing severe illness or death.Įstimated Crustal Abundance: 8. 22 25 The astronomical symbol for Mercury is a stylized version of Hermes' caduceus a Christian cross was added in the 16th century. Mercury is poisonous and can enter the body through the respiratory tract, the digestive tract or directly through the skin. Name: Mercury Symbol: Hg Atomic Number: 80. Mercuric oxide (HgO) is used to make mercury batteries. Mercuric sulfide (HgS) is used to make a red paint pigment called vermilion. Mercurous chloride (Hg 2Cl 2), also called calomel, is an antiseptic used to kill bacteria. A millimetre of mercury is a manometric unit of pressure, formerly defined as the extra pressure generated by a column of mercury one millimetre high, and currently defined as exactly 133.322 387 415 pascals or exactly 133.322 pascals. Mercuric chloride (HgCl 2) is a very poisonous salt and was once used to disinfect wounds. millimetre of mercury Unit of: Pressure: Symbol. Mercury forms useful compounds with other elements. Amalgams are used to help extract gold from its ores, create dental fillings (in the case of silver) and help extend the life of dry cell batteries (in the case of zinc and cadmium). Mercury easily forms alloys with other metals, such as gold, silver, zinc and cadmium. The element shares group IIB of the periodic table with zinc and cadmium. ![]() In ancient times, mercury was known as quicksilver, and it was believed to be able to shift between liquid and solid states. In either case, this alchemy symbol represents the mind, as well as a state that could transcend death. ![]() Its chemical symbol, Hg, is derived from the Greek word hydrargyrum, meaning 'liquid silver,' or 'quick silver.' Although now obsolete, the word quicksilver has long been used as a synonym for mercury. Alchemists were convinced that mercury transcended both the solid and liquid states, both earth and heaven, both life and death. Mercury (which is also one of the seven planetary metals) can mean both the element and the planet. Mercury vapor is used in streetlights, fluorescent lamps and advertising signs. The chemical element mercury is a shiny metallic liquid. Mercury conducts electricity and is used to make silent, position dependent switches. Name: Alchemical Symbol For Mercury Sublimate Unicode Version: 6.0 (October 2010) Block: Alchemical Symbols, U+1F700 - U+1F77F Plane: Supplementary. ![]() Mercury can be used to make thermometers, barometers and other scientific instruments. Spain and Italy produce about half of the world's supply of Mercury. Mercury is not usually found free in nature and is primarily obtained from the mineral cinnabar (HgS). Mercury was known to the ancient Chinese and Hindus and has been found in 3500 year old Egyptian tombs.
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