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Hg (Mercury)

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Keterangan

     Mercury is stable with air and water, unreactive to all acids except nitric acid, and all alkalis. It is a rather poor conductor of heat compared with other metals, and a fair conductor of electricity.

Nama lain (trademark, branding etc.)

Hydrargyrum, Rtut´, Ĺ˝iva, Mercure, Quecksilber - e, Mercurio, Kvikksølv, Mercúrio, Ргуть, Mercurio, Kvicksilver

Spesifikasi Produk

Overview of Mercury
Atomic Numbe 80
Group 12
Period 6
Series Transition Metals
Relative Atomic Mass (12C=12.000)  200.59
Boiling Point:  630K 357°C 675°F
Melting Point:  234.43K -38.72°C -37.7°F
Density/kg m-3  13546 (293K)
Ground State Electron Configuration  [Xe]4f145d106s2
Electron Affinity(M-M-)/kJ mol-1  18
Discoverer:  Known to ancient civilization
Discovery Location:  Unknown
Discovery Year:  Unknown
Name Origin: From the Greek god Mercury who was the messenger to the gods and was known for his speed; Hg from mercury's Latin name Hydrargyrum, which comes from the Greek word "hydrargyros" ("hydor" for water and "argyros" for silver).

Aplikasi

     Mercury easily forms alloys, called amalgams, with other metals such as gold, silver and tin. Its ease in amalgamating with gold is made use of in recovering gold from its ores. It is used in the manufacture of sodium hydroxide and chlorine by the electrolysis of brine. The metal is widely used in making advertising signs, mercury switches and other electrical apparatus. It is used in laboratory work for making thermometers, barometers, diffusion pumps and many other instruments. Other uses are in pesticides, dental work, batteries and catalysts. Because of its toxicity, all these uses of mercury are being phased out or are under review.
     Some mercury salts and organic mercury compounds are still important, including mercurous chloride (calomel) which is used in electrolysis, and mercuric sulfide (vermilion), a high-grade paint pigment.

Bahan Baku

Mercury is a chemical element with the symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly named hydrargyrum (from Greek "hydr-" water and "argyros" silver). A heavy, silvery d-block element, mercury is the only metal that is liquid at standard conditions for temperature and pressure; the only other element that is liquid under these conditions is bromine, though metals such as caesium, gallium, and rubidium melt just above room temperature. With a freezing point of −38.83 °C and boiling point of 356.73 °C, mercury has one of the narrowest ranges of its liquid state of any metal.

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