It is fairly soft and slowly tarnishes in air. Tellurium is far more common in the universe as a whole than on Earth. Cadmium is a soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. All Rights Reserved. It is also the most corrosion-resistant metal, even at temperatures as high as 2000 °C. Rhenium has the third-highest melting point and second-highest boiling point of any stable element at 5903 K.[4] Rhenium resembles manganese and technetium chemically and is mainly obtained as a by-product of the extraction and refinement of molybdenum and copper ores. In particular, the discharge that occurs during electrical switching oxidizes the contacts. Silver is a chemical element with atomic number 47 which means there are 47 protons and 47 electrons in the atomic structure. The chemical symbol for Chromium is Cr. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. Terminal alkynes yield the corresponding acid or ester, internal alkynes yield diketones, and alkenes give epoxides. Element 113 was also discovered by a team of Japanese scientists and was named in respectful homage to Ogawa's work. Any addition of thermal energy results in a phase transition. Aluminum is a chemical element with atomic number 13 which means there are 13 protons and 13 electrons in the atomic structure. It was named after the river Rhine in Europe. Chemically, indium is similar to gallium and thallium. The chemical symbol for Radium is Ra. Boiling point. The available energy for this beta decay (2.6 keV) is one of the lowest known among all radionuclides. Nickel-based superalloys of rhenium are used in the combustion chambers, turbine blades, and exhaust nozzles of jet engines. Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure. [41] Recycling of used Pt-Re catalyst and special alloys allow the recovery of another 10 tons per year. Other oxides include Re2O5, ReO2, and Re2O3. MTO catalyses for the oxidations with hydrogen peroxide. [25] Tetrathioperrhenate anion [ReS4]− is possible.[26]. The chemical symbol for Tungsten is W. Tungsten is a rare metal found naturally on Earth almost exclusively in chemical compounds. Tellurium is a brittle, mildly toxic, rare, silver-white metalloid. The chemical symbol for Zinc is Zn. Astatine is the rarest naturally occurring element on the Earth’s crust. Discoverer: Scientists at Dubna, Russia (1964)/Albert Ghiorso et. The isotope rhenium-186m is notable as being one of the longest lived metastable isotopes with a half-life of around 200,000 years. The chemical symbol for Argon is Ar. Rhenium has a Boiling Point of 5627°F, meaning at 5627°F it will turn to a Gas. [40], Commercial rhenium is extracted from molybdenum roaster-flue gas obtained from copper-sulfide ores. Chlorine is a yellow-green gas at room temperature. Other Metals (1963) "Ammonium Perrhenate" in, Hudson, A. When considered as the temperature of the reverse change from liquid to solid, it is referred to as the freezing point or crystallization point. Bromine is the third-lightest halogen, and is a fuming red-brown liquid at room temperature that evaporates readily to form a similarly coloured gas. Only about 5×10−8% of all matter in the universe is europium. Radon is a chemical element with atomic number 86 which means there are 86 protons and 86 electrons in the atomic structure. This website does not use any proprietary data. The chemical symbol for Iron is Fe. The chemical symbol for Oxygen is O. [16], Its usual commercial form is a powder, but this element can be consolidated by pressing and sintering in a vacuum or hydrogen atmosphere. It can be prepared by many routes, a typical method is the reaction of Re2O7 and tetramethyltin: Analogous alkyl and aryl derivatives are known. [44], Rhenium has a high melting point and a low vapor pressure similar to tantalum and tungsten. [61] The olefin metathesis is the other reaction for which rhenium is used as catalyst. [58] Those filaments are widely used in mass spectrometers, ion gauges[59] and photoflash lamps in photography. It rarely occurs in its elemental state or as pure ore compounds in the Earth’s crust. Its reduction with sodium amalgam gives Na[Re(CO)5] with rhenium in the formal oxidation state −1. Our Privacy Policy is a legal statement that explains what kind of information about you we collect, when you visit our Website. www.nuclear-power.net. The chemical symbol for Bromine is Br. Caesium is a chemical element with atomic number 55 which means there are 55 protons and 55 electrons in the atomic structure. Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. Like tungsten and molybdenum, with which it shares chemical similarities, rhenium forms a variety of oxyhalides. Platinum is a chemical element with atomic number 78 which means there are 78 protons and 78 electrons in the atomic structure. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure. [54] Tungsten-rhenium wire was originally created in efforts to develop a wire that was more ductile after recrystallization. The chemical symbol for Beryllium is Be. [30] Dirhenium decacarbonyl can be oxidised with bromine to bromopentacarbonylrhenium(I):[31], Reduction of this pentacarbonyl with zinc and acetic acid gives pentacarbonylhydridorhenium:[32]. Alkali Metals Selenium is a chemical element with atomic number 34 which means there are 34 protons and 34 electrons in the atomic structure. The oxidation states +7, +6, +4, and +2 are the most common. Boiling point: 5590°C, 10094°F, 5863 K: Block: d: Density (g cm −3) 20.8: Atomic number: 75: Relative atomic mass: 186.207: State at 20°C: Solid: Key isotopes: 187 Re: Electron configuration [Xe]4f 14 5d 5 6s 2: What is Rhenium? The chemical symbol for Caesium is Cs. [38][39] Named rheniite, this rare mineral commands high prices among collectors. The chemical symbol for Platinum is Pt. Pure radium is silvery-white alkaline earth metal. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. [10] The symbol Np was later used for the element neptunium, and the name "nihonium", also named after Japan, along with symbol Nh, was later used for element 113. The chemical symbol for Francium is Fr. Tellurium is chemically related to selenium and sulfur. Boiling point of Rhenium is 5600°C. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. Mercury is a heavy, silvery d-block element, mercury is the only metallic element that is liquid at standard conditions for temperature and pressure. In 1925 they reported that they had detected the element in platinum ore and in the mineral columbite. Its boiling point is the lowest among all the elements. It took several years from that point before the superalloys became widely used. Rhenium comes with a hexagonal closely-packed crystal structure plus a lattice parameter of c=445.6pm and a=276.1pm. [44] In 2006, 77% of the rhenium consumption in the United States was in alloys. The chemical symbol for Protactinium is Pa. Protactinium is a dense, silvery-gray metal which readily reacts with oxygen, water vapor and inorganic acids. [71], "Nipponium" redirects here. [5], Rhenium (Latin: Rhenus meaning: "Rhine")[6] was the second last-discovered of the elements that have a stable isotope (other new elements discovered in nature since then, such as francium, are radioactive). Nearly all technetium is produced synthetically, and only minute amounts are found in the Earth’s crust. Titanium is a lustrous transition metal with a silver color, low density, and high strength. In 4th- and 5th-generation superalloys, ruthenium is used to avoid this effect. It was named after the river Rhine in Europe. [36] It was only recently that the first rhenium mineral was found and described (in 1994), a rhenium sulfide mineral (ReS2) condensing from a fumarole on Kudriavy volcano, Iturup island, in the Kuril Islands. Thulium is an easily workable metal with a bright silvery-gray luster. The chemical symbol for Ruthenium is Ru. [14][15], Rhenium is a silvery-white metal with one of the highest melting points of all elements, exceeded by only tungsten and carbon. Main purpose of this project is to help the public learn some interesting and important information about the peaceful uses of nuclear energy. [68], Related by periodic trends, rhenium has a similar chemistry to that of technetium; work done to label rhenium onto target compounds can often be translated to technetium. Being a typical member of the lanthanide series, europium usually assumes the oxidation state +3. In nuclear industry, especially artificial xenon 135 has a tremendous impact on the operation of a nuclear reactor. The chemical symbol for Nobelium is No. Copper is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. The information contained in this website is for general information purposes only. Rhenium is a chemical element with the symbol Re and atomic number 75. Gold is a transition metal and a group 11 element. Rhenium is a chemical element with atomic number 75 which means there are 75 protons and 75 electrons in the atomic structure. Neptunium is the first transuranic element. The perrhenate had an LD50 value of 2800 mg/kg after seven days (this is very low toxicity, similar to that of table salt) and the rhenium trichloride showed LD50 of 280 mg/kg.
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