, chemical symbol Xe, non-metallic element, colorless, odorless, tasteless. Is an inert gas. In the air, the amount of about 1 / 20000000 by volume, but also in hot gas in the air from the liquid to be isolated together with krypton. "ielwjefljll",tiffany jewelry outlet, It has a very high from the xenon light intensity of lighting technology used in the photoelectric tube filling, high pressure lamps and xenon flash. Xenon high-pressure lamps have a high degree of UV radiation, can be used for medical technology. For the flash, the depth of anesthesia, laser, welding, refractory metal cutting, standard gas, special gas mixture and so on.
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Introduction to the basic physical properties and chemical properties of information applications supporting information security element itself, non-toxic inert gas network with attention to the original meaning of basic information about the U.S. Blackwater About Xenon (Xenon) (pronunciation: xiān sound) elements of atomic weight: 131.3 element types: non-metallic atomic volume: (cc / mol) 37.3 crust Content: (ppm) 0.000002 element content in sea water: (ppm) 0.0001 chemically bonds to: (kJ / mol ) Xe-O 84 oxidation state: Main Xe0, Xe +2, Xe +4 Other Xe +6, Xe +8 physical properties of atomic number: 54 Element Symbol: Xe elements of Chinese name: English name of the element Xenon: Xenon relative atomic mass: 131.3 number of protons in the nucleus: the number of extranuclear 54: 54 nuclear Audit: 54 Proton mass: 9.0342E-26 protons relative mass: 54.378 respective periods: 5-owned group: 0 molar mass: 131 Density: 0.00588 Melting point: -111.9 Boiling Point: -108.1 external electronic arrangement: 5s2 5p6 extranuclear electron arrangement: 2,8,18,18,8 crystal structure: unit cell is face-centered cubic unit cell. Cell parameters: a = 620.23 pm b = 620.23 pm c = 620.23 pm α = 90 ° β = 90 ° γ = 90 ° the color and the state: Colorless gas transmission rate of voice in which: (m / S) 1090 ionization (kJ / mol) M - M + 1170.4 M + - M2 + 2046 M2 + - M3 + ,cheap tiffany jewelry, 3097 M3 + - M4 + 4300 M4 + - M5 + 5500 M5 + - M6 + 6600 M6 + - M7 + 9300 M7 + - M8 + 10600 M8 + - M9 + 19800 M9 + - M10 + 23000 Atomic radius: 1.24 FAQ valence: 0 found by: Ramsey (William Ramsay), Traverse (Morris W. Travers) found that time and place: 1898 in England Source elements: in the air, its volume by volume accounting for about two thousand live births one, but also in hot gas in the air from the liquid to be isolated together with the element krypton Use: thyratron and special lighting in the discovery process: In 1898, the United Kingdom Lai Muse and Tel Weiss, in fractionation of liquid krypton discovered the xenon. Element Description: colorless, odorless, tasteless. Is ,Tiffany Rings, an inert gas. Density of 5.887 ± 0.009 g / liter, 3.52 g / cm 3 (liquid), 2.7 g / cc (solid). Melting point -111.9 ? boiling point -107.1 ± 3 ? Ionization energy 12.130 eV. The only non-radioactive noble gases can form stable compounds at room temperature, the elements can absorb X-rays. At higher temperature or light irradiation to form a series of fluoride with fluorine, such as XeF2, XeF4 and XeF6 and so on. Xenon can with water, hydroquinone and phenol substances to form a weak bond inclusion [1]. Element Source: The air liquefaction separation from the large tower, oxygen or nitrogen in the distillate, while out in the separation. Properties: ?cular Weight: 131.30 Melting point: -111.8 ?Boiling point (101.325kPa): -108.1 ?liquid density (108.1 ? 101.325kpa): 3057kg / cubic meter of gas density (0 ? 101.325kpa): 5.887kg / m relative density (gas, ,Tiffany Accessories, 25 ? 101.325kPa): 4.553 hematocrit (21.1 ? 101.325kPa): 0.180m3/kg gas-liquid volume ratio (15 ? 100KPa): 550L / L the critical temperature: 16.6 ?Critical pressure: 5838kPa critical Density: 1105.2kg/m3 compression factor: temperature and pressure (? 10OKPa 100OKPa 1000OKPa 2000OKPa 15 0.9941 0.9391 50 0.9959 0.9576 0.4334 0.5207 melting heat (-111.8 ? 81.6kPa): 17.49kJ/kg gasification (-108.1 ? 101.325 kpa): 96.3OKJ/kg specific heat capacity (gas, 25 ? 101.325kpa): Cp = 160.03J / (kg ?K) Cv = 96.41J / (kg ?K) specific heat ratio (gas, 25 ? 101.325kpa) : Cp ,Tiffany Bracelet, / Cv = 1.66 Vapor pressure (-20 ?: 2634kPa (0 ?: 4175kPa (10 ?: 5147kPa viscosity (gas, 0 ? 101.325kPa): 0.0211OmPa ?S (liquid, 289.74k): 0.528mPa ?S surface tension (-110 ?: 18.7mN / m Thermal conductivity (0 ? 101.325kPa): 0.005192W / (m ?K) (liquid, 165.014kh0.07322W / (m ?K) refractive index ( gas, 0 ? 101.325KPa, 5893A): 1.000702 (gas, 25 ? 101.325kpa): 1.000642 at normal temperature and pressure xenon is a colorless, odorless non-toxic inert gas. the air with xenon about 90PPm. Do not burn. when the water pressure 101.325kPa solubility 0.234ml / g (0 ?, 0.121ml / g (20 ?, 0.079ml / g (40 ?, 0.046ml / g (60 ?. can absorb X-rays. applications are widely used in electronic, optical power industry, but also for gas lasers and plasma flow. Xenon lamp with the same charge and power compared with the light bulb filled with argon rate, small size, long life, energy saving, etc. . a very high luminous intensity, filling the long-arc xenon lamp commonly known as , stations and terminals. xenon lamp can be generated after the concave condenser temperature 2500 ? can be used for welding or cutting of refractory metals such as titanium, molybdenum and so on. or a depth of anesthesia without side effects, X-ray contrast agent. is also used for shielding X-rays. In addition, high-energy physics in the atomic reactor and also have many uses. element supporting information Lai Muse after the discovery of argon and helium to study their properties, their atomic weight determination. Then he considered them in the element cycle table position. because the nature of argon and helium and other elements have been found are not similar, so he proposed the inclusion of a new family of chemical periodic table of chemical elements, helium and argon as a temporary to a member of this family. He also based on elements of Mendeleyev's periodic classification on the hypothesis, suggesting that the family ,Tiffany Charms, should have an atomic weight of 20,82,129 elements. 1898 by the British chemist Sir William Ramsay discovered and named. He chose It's a mixture of oxygen (20?? Xe, 80???? 02, the volume) is a drug on the human body. Xenon non-corrosive gas, you can use all common materials. xenon can be used glass bottles, plus a wooden box or carton protection. storage unloading process to prevent collision damage light light. light, it is up to twenty thousand watts of power. When night fell, it shine, illuminate a sharp Nanjing Road. However, ,Tiffany Cufflinks, it is not large, than ordinary fluorescent lamp is only twice as long. People praised it as Little Miss Sunshine. . It is a colorless gas, more than three times the density of air. be it the content in the air is very poor, only a billionth of the total volume of eight, it is harder to see it, no wonder it had found when it played with a Latin name is made of specific features. This lamp is the lamp temperature, high pressure quartz tube made of two welded shut, the load of a tungsten electrode, the tube high-pressure xenon gas filled people. power, the xenon gas is excited, Injection strong white light. a sixty thousand-watt xenon lamp brightness, equivalent to nine hundred hundred-watt bulbs! lighting, etc., can use it. Interestingly, xenon also have some narcotic effect - it can dissolve the oil in the juice cells, causing cell swelling and anesthesia, so that the role of nerve endings temporarily stopped. It had been Try four-fifths of one-fifth of the xenon gas and oxygen gas mixture composition, as an anesthetic, the ,Tiffany Earrings, effect is very good. just because Xenon small, so there is not widely used. inert gas inert gas xenon is also a member of the family, with other family members, its people finally surrendered it to help it get rid of the many of the compounds. xenon is no longer a also refer to someone very evil. xenon persons resulting vocabulary ~ former Blackwater security company Blackwater USA renamed Security Companies February 13, 2009 announced that the company will give up was originally called Boarding Training Centre Training Centre Ltd changed its name to the United States. In the past, residential training center liable for the company most of the overseas and domestic security training services. Jackson said in the memo, the company will no longer actively seeking new private security contracts. including Jackson, including the number of Blackwater executives said last year, the company has moved away from the security services to training and logistics. 安妮蒂勒?Blackwater spokesman told The Associated Press, the company changed its name to the main business focus to meet changing needs. But she acknowledged that the company is also hoping to be renamed out of the shadow of the past, reshape the image. term more Atlas Atlas Reference 1Xenon
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,Tiffany Necklaces, Open Category: Chemistry, Science, element, inert gas English Dictionary explains (Source: Baidu Dictionary): 1. [Chemistry] xenon (Xe) I have to improve the