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Mercury is a chemical element with symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly named hydrargyrum. A heavy, silvery d-block element, mercury is the only metallic element 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.

Mercury occurs in deposits throughout the world mostly as cinnabar (mercuric sulfide). The red pigment vermilion is obtained by grinding natural cinnabar or synthetic mercuric sulfide.

Mercury is used in thermometers, barometers, manometers, sphygmomanometers, float valves, mercury switches, mercury relays, fluorescent lamps and other devices, though concerns about the element's toxicity have led to mercury thermometers and sphygmomanometers being largely phased out in clinical environments in favor of alternatives such as alcohol- or galinstan-filled glass thermometers and thermistor- or infrared-based electronic instruments. Likewise, mechanical pressure gauges and electronic strain gauge sensors have replaced mercury sphygmomanometers.

Mercury remains in use in scientific research applications and in amalgam for dental restoration in some locales. It is also used in fluorescent lighting. Electricity passed through mercury vapor in a fluorescent lamp produces short-wave ultraviolet light, which then causes the phosphor in the tube to fluoresce, making visible light.

Mercury poisoning can result from exposure to water-soluble forms of mercury (such as mercuric chloride or methylmercury), by inhalation of mercury vapor, or by ingesting any form of mercury.

How do you get liquid mercury?

To make pure mercury, you have to extract it from the cinnabar rock and eliminate the sulfur. The easiest way to do this is to heat the rock. The sulfur combines with oxygen and the mercury turns to vapor at a boiling point of 674
 degrees F (356 degrees C). The vapor is condensed to form liquid mercury.

Where do you get liquid mercury?

It is found either as a native metal (rare) or in cinnabar, corderoite, livingstonite and other minerals, with cinnabar (HgS) being the most common ore. Mercury ores usually occur in very young orogenic belts where rocks of high density are forced to the crust of Earth, often in hot springs or other volcanic regions.

What can liquid mercury be used for?

It was also commonly used in batteries, fluorescent lights, felt production, thermometers and barometers. Again, these uses have been phased out. Mercury easily forms alloys, called amalgams, with other metals such as gold, silver and tin.

Can you touch liquid mercury?

Mercury is a very toxic or poisonous substance that people can be exposed to in several ways. If it is swallowed, like from a broken thermometer, it mostly passes through your body and very little is absorbed. If you touch it, a small amount may pass through your skin, but not usually enough to harm you.

Is Mercury very expensive?

Mercury is not expensive like silver because the mercury is very easy to get from the places where it is found. Mercury can be found in elemental (liquid) form in nature, but this is not common. Mercury as an element is the only liquid that is recognized as a mineral by the International Mineralogical Association.

Why is Mercury so bad for you?

Health effects of mercury exposure. Elemental and methylmercury are toxic to the central and peripheral nervous systems. The inhalation of mercury vapour can produce harmful effects on the nervous, digestive and immune systems, lungs and kidneys, and may be fatal.

How much does it cost for mercury?

Black Printer Ink $2,700 per gallon. No matter the price of your printer itself, the printer's ink always costs far more, and the manufacturer for each printer and its corresponding ink is the one and the same. 7. Mercury $3,400 per gallon.

What do you use mercury for?

Mercury can be used to make thermometers, barometers and other scientific instruments. Mercury conducts electricity and is used to make silent, position dependent switches. Mercury vapor is used in streetlights, fluorescent lamps and advertising signs.

What happens when you mix water with mercury?

Mercury can react with oxygen molecules at high temperatures, so if the water were to be chemically altered, such as through electrolysis, the mercury could bond and form a salt. Mercury can also react with some acids, so if the water is impure, there may be smaller reactions occurring and corrupting your mixture.

How much money is snake venom worth?

It is very important to learn about these regulations so that you can operate properly. On average, snake milkers make around $2,500 per month, but snake venom is an expensive market. One gram of certain types of snake venom can sell for $2,000.