10 Interesting Facts About Mercury (Element)

Mercury is a shiny, silvery, liquid metal, sometimes called quicksilver. It is a transition metal with atomic number 80 on the periodic table and an atomic weight of 200.59, and  its element symbol is Hg.  While its an extremely rare element, theres a world of interesting information about mercury. Fast Facts: The Element Mercury Element Name: MercuryElement Symbol: HgAtomic Number: 80Atomic Weight: 200.592Classification: Transition Metal or Post-Transition MetalState of Matter: LiquidName Origin: The symbol Hg comes from the name hydrargyrum, which means water-silver. The name mercury comes from the Roman god Mercury, known for his swiftness.Discovered By: Known before 2000 BCE in China and India Mercury is the only metal that is a liquid at standard temperature and pressure.  The only other liquid element under standard conditions is bromine (a halogen), although  the metals rubidium, cesium, and gallium melt at a temperature just above room temperature.  Mercury has a very high surface tension, so it forms rounded  beads of liquid.Although mercury and all of its compounds are  known to be highly toxic, it was considered therapeutic throughout much of history.The modern element symbol for mercury is Hg, which is the symbol for another name for mercury: hydrargyrum. Hydrargyrum comes from Greek words for water-silver (hydr- means water, argyros means silver).Mercury is a very rare element in the Earths crust. It accounts for only about only 0.08 parts per million (ppm) and is mainly found in the mineral cinnabar, which is mercuric sulfide. Mercuric sulfide is the source  of the red pigment called vermilion.Mercury generally is not allowed on aircraft because it co mbines so readily with aluminum, a metal that is common on aircraft. When mercury forms an amalgam with aluminum, the oxide layer that protects aluminum from oxidizing is disrupted. This causes aluminum to corrode in much the same way as iron rusts.Mercury does not react with most acids.Mercury is a relatively poor conductor of heat. Most metals are excellent thermal conductors.  It is a mild electrical conductor. The freezing point  (-38.8 degrees Celsius) and boiling point (356 degrees Celsius) of mercury are closer together than any other metals.Although mercury usually exhibits a 1 or 2 oxidation state, sometimes it has a 4 oxidation state.  The electron configuration causes mercury to behave somewhat like a noble gas. Like noble gases, mercury forms relatively weak chemical bonds with other elements. It forms amalgams with all of the other metals except iron. This makes iron a good choice to build containers for holding and transporting mercury.The element Mercury is name d for the Roman god Mercury. Mercury is the only element to retain its alchemical name as its modern common name.  The element was known to ancient civilizations, dating back to at least 2000 BCE Vials of pure mercury have been found in Egyptian tombs from the 1500s BCE.Mercury is used in fluorescent lamps, thermometers, float valves, dental amalgams, in medicine, for the production of other chemicals, and to make liquid mirrors. Mercury(II) fulminate is an explosive used as a primer in firearms. The disinfectant mercury compound thimerosal is an organomercury compound found in vaccines, tattoo inks, contact lens solutions, and cosmetics.   Sources Lide, D.R., editor. Handbook of Chemistry and Physics. 86th edition, CRC Press, 2005, pp.  4.125–4.126.Meija, J., et al. Atomic Weights of the Elements 2013 (IUPAC Technical Report). Pure and Applied Chemistry, vol. 88, no. 3, 2016, pp. 265–91.Weast, R.C., editor.  Handbook of Chemistry and Physics. 64th edition, CRC Press, 1984, p.  E110.

Fate As A Person s Control - 3344 Words

Fate is described as the development of events beyond a person s control, regarded as determined by a supernatural power in Webster s dictionary. Fate is incorporated into everything people do in everyday of their lives. Fate can frequently show the way toward new people, places, and things that define who someone is as a person. Fate can directly determine who one becomes as a person and how one will live out the rest of one’s life, but cannot be controlled by him or her. That sparks the question- if fate is out of a person s control, does that mean that it is in someone else s ? Can another person or supernatural power control someone s fate for them? Certainly there must be an answer to support these questions. In Homer s epic poem, The Iliad, fate is viewed as the center of everything and anything that can happen to a person. The gods in The Iliad are meant to serve and see that the predicted fate for each person be followed through with, though that is not always t he case. The mortals in Homer s epic poem are not miniscule in comparison to the role of the gods, but the gods roles are much different. First of all, the gods do not differ from mortals immensely, but they are immortal. Their veins are filled with ichor, a divine substance, rather than blood, which the mortal s veins are composed of. Without blood, the gods are able to live forever without fear of growing old and dying. The gods do not eat or drink as the humans do either. TheShow MoreRelatedFate Of William Shakespeare s Romeo And Juliet999 Words   |  4 PagesFate in Romeo and Juliet In modern times, and in the Elizabethan era, fate plays an important role in people s lives. Many people believe it to be written in stone, and unchangeable. Many others believe it to be controlled by a person s own actions. In Romeo and Juliet, fate is one of the main themes, described as having power over many of the events in the play. Fate is often called upon, wondered about, and blamed for mishaps. However, where fate is blamed in the Read MoreHow Fate and Free Will Play a Part in the Odyssey816 Words   |  4 PagesHow Fate and Free Will Play a Part in The Odyssey Fate and free will are epic subjects in life. When we cannot control something we blame it on fate, but we try to change the way things are with our free will. Fate is something unknown that determines what will happen. It may seem like a coincidence or may feel like an omen, but it is something no person controls for oneself. Fate, to some, may be in the hands of a higher power such as gods or God. 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Microeconomics Production Theory free essay sample

Production function shows the maximum amount of output that can be produced from a given set of input in the existing set of inputs in the existing state of technologie. the output will change when the quantity of any input is change. In real life a manufacture wants to know how much of the various factors or inputs that is land, natural resources,labour and capital will be required to produce a unit or a given quantity of a commodity during a given period of time. It is necessary for him (manufacture) to know this so that he may be able not only to asset his requirements of productive services but also roughly to estimate probable cost. Since production function is concerned with physical aspects of production, it is more a concern of an engineer or a technitation than of an economist. Only a techniqation can say what specific quantity of a good can be produced by the use of various productive resources and their combinations. We will write a custom essay sample on Microeconomics Production Theory or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Production function depends upon: a. Quantity of resources used b. State of technical knowledge c. Possible processes d. Size of the firms e. Natural of firms and organizations f. Relatitive prices of factors of production As these things change production function will change to. e. output can be increased by increasing the quantity of factors of production or of some of them. Adoption of more efficient techniques of production will add to the output. The less efficient of the techniques the smaller the output. Long run and short run production Long run refers to a period of time in which the supplies of all the inputs or variables can be changed that is the supply response is elastic. The short run refers to a period of time in which the supply of certain inputs or variables like buildings or machines are fixed or the supply response is in elastic. PPF changes with the period of time, in the very long period it changes all together because the same inputs produce different outputs. In the long run the production function depicts the whole set of choices opened to the producer that is what inputs will produce, what output. In the short run the choices open to the producer are restricted because some of the factors are fixed and can not be changed in the short period only some can valid. In this situation the producer tries to find out the relation between variable inputs and outputs.