Rhenium is a chemical element with the symbol Re and atomic number 75. It is a silvery-gray, heavy, third-row transition metal in group 7 of the periodic table. With an estimated …

Rhenium is a ductile, malleable, silvery metal. Ductile means capable of being drawn into thin wires. Malleable means capable of being hammered into thin sheets. It has a density of 21.02 grams per cubic centimeter, a melting point of 3,180°C (5,760°F), and a boiling point of 5,630°C (10,170°F). These numbers are among the highest to be ...

Classified in the periodic table under the symbol Re, atomic number 75, atomic mass of X g.mol-1, and electron configuration [Xe]4f145d56s2, rhenium is an extremely hard, and very dense silvery-white metal. It reaches its boiling point at 5590°C, 10094°F, 5863 K, while its very high melting point is achieved at 3185°C, 5765°F, 3458 K.

Polycrystalline thin films of rhenium disulfide (ReS2) and the alloys Mo1−xRexS2 (0 ≤ x ≤ 0.06) have been deposited by aerosol-assisted chemical vapour deposition (AA-CVD) using [Re(μ-SiPr)3(SiPr)6] (1) and [Mo(S2CNEt2)4] (2) in different molar ratios at 475 °C. The deposited films were characterised by p-XR 2016 Journal of Materials Chemistry C …

The potential – pH diagrams for rhenium at 25 °C, air pressure of 1 bar and different activities of rhenium aqueous species are presented in Fig. 1, Fig. 2, Fig. 3, Fig. 4.The chemical and electrochemical equilibria are listed in Table 4.. Download : Download high-res image (629KB) Download : Download full-size image Fig. 1.

Rhenium patří společně s uhlíkem a wolframem mezi nejobtížněji tavitelné prvky. Chemicky se podobá vzácným kovům skupiny platiny, včetně svého nízkého výskytu v zemské kůře . Ve sloučeninách se vyskytuje především v řadě mocenství od Re −1 po Re +7. Nejstálejší jsou však sloučeniny rhenia v mocenství Re − ...

Rhenium - Periodic Table. 75. Re. Group. 7. Period. 6. Block. d. Protons. Electrons. Neutrons. 75. 111. General Properties. Atomic Number. 75. Atomic Weight. 186.207. Mass Number. 186. Category. Transition …

Thermo Fisher Scientific is a leading manufacturer and supplier of chemicals, metals and life science products for research and development. With a portfolio of over 50,000 chemistry products, in sizes ranging from gram-scale research quantities to semi-bulk and bulk production quantities. With custom manufacturing capabilities to supply many ...

Rhenium trioxide or rhenium(VI) oxide is an inorganic compound with the formula ReO3. It is a red solid with a metallic lustre that resembles copper in appearance. It is the only stable trioxide of the Group 7 elements (Mn, Tc, Re).

Rhenium(VI) Nitrate. Formula: Re(NO3)6. Molar Mass: 558.2364. Re(NO3)6 Molar Mass Converter. Weight: Mole: Re(NO3)6 Molar Mass Conversion in Batch. Weight: Mole: Note: Fill in one box to get results in the other box by clicking "Calculate" button. Data may be separated by semicolon (;), space, tab, or in separated lines. ... Chemical Elements ...

Rhenium is a chemical element with the symbol Re and atomic number 75. It is a silvery-white, rare metal that belongs to the group of transition metals.Rhenium has a high melting point and is one of the densest elements known. It is primarily used as an alloying agent in the production of superalloys, which are used in high-temperature …

A chemical element is a species of atoms that have a given number of protons in their nuclei, including the pure substance consisting only of that species. Unlike chemical compounds, chemical elements cannot be broken down into simpler substances by any chemical reaction. The number of protons in the nucleus is the defining property of an …

Rhenium, element 75 on the periodic table, belongs to the cluster of elements known as the transition group of elements. It was the last of the natural elements to be discovered, some 50 years after the introduction of the periodic table. It is a silvery white, rare, heavy, polyvalent transition metal. Chemically, it resembles manganese and is ...

Rhenium catalysts are especially resistant to chemical attack from nitrogen, phosphorus and sulfur, which makes them useful in hydrogenation reactions in various industrial …

It is also used as an electrical contact material as it resists wear and withstands arc corrosion. Rhenium catalysts are extremely resistant to poisoning (deactivation) and are used for the hydrogenation of fine chemicals. Some rhenium is used in nickel alloys to make single-crystal turbine blades. Biological role.

By contrast, the chamber composed of a rhenium (Re) substrate with an iridium (Ir) oxidation barrier allows hours of operation up to 2200 °C only by radiation cooling, owing to their unique physical and chemical properties [2], [5]. Therefore the Ir coated Re (hereafter denoted as Ir/Re) composite material is considered as the most …

Element Rhenium (Re), Group 7, Atomic Number 75, d-block, Mass 186.207. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Naturally occurring rhenium (75Re) is 37.4% 185Re, which is stable (although it is predicted to decay), and 62.6% 187Re, which is unstable but has a very long half-life (4.12×1010 years). Among elements with a known stable isotope, only indium and tellurium similarly occur with a stable isotope in lower abundance than the long-lived radioactive …

Rhenium Oxide: A Comprehensive Overview. Renowned for its noteworthy properties and vast range of applications, rhenium oxide is a chemical compound that is often underrated in the realm of materials science. This compound, composed of the elements rhenium (Re) and oxygen (O), comes in a few different forms, most notably Re 2 O 7, ReO 3, and ...

Rhenium (Re), chemical element, a very rare metal of Group 7 (VIIb) of the periodic table and one of the densest elements. Predicted by the Russian chemist Dmitry Ivanovich Mendeleyev (1869) as chemically …

Rhenium(VII)-sulfid ist eine anorganische chemische Verbindung des Rheniums aus der Gruppe der Sulfide. (de) Rhenium(VII) sulfide is a chemical compound with the formula Re2S7. It can be produced through the reaction of ReO4− and H2S in 4N HCl. (en)

About Us. Established in 1991, Rhenium is one of Israel's leading suppliers of Laboratory equipment, research and diagnostic equipment. We work with top-level manufacturers from around the world to import the best and …

The electron configuration of rhenium is [Xe] 4f¹⁴ 5d⁵ 6s². It has 5 electrons in its 5d subshell and 2 electrons in its 6s subshell. The electron configuration indicates that rhenium has a relatively stable electronic structure, which contributes to its resistance to corrosion and its overall chemical stability.

Rhenium is an element of the modern periodic table. Here we are discussing the rhenium element's chemical properties. Rhenium is a metallic element of the periodic table and has grey-black color. It has high flexibility and high strength. It is used as a catalyst, mass spectrographs, alloys, thermistors, etc.

Rhenium forms a wide variety of compounds in oxidation states from −1 to +7. High oxidation state compounds are the most common, whereas the lower oxidation …

WET Chemical Etching Rhenium, Rhenium, a rare and valuable refractory metal, has gained widespread recognition for its extraordinary properties, including an exceptionally high melting point (3,180°C/5,756°F), excellent mechanical strength, and remarkable resistance to wear and corrosion. View our Rheniumetching production facility Types of …

V&T Machining Excels in Precision with Metal Chemical Etching for Rhenium: In its continued pursuit of precision and innovation, V&T Machining unveils an optimized guide for metal chemical etching, this time focusing on Rhenium. Known for its exceptional properties, Rhenium finds applications in aerospace components, electronics, and high …

Physical Characteristics. Rhenium is a greyish silver metal. Rhenium has remarkably high boiling point (5627 °C) and is categorized as the element with the highest boiling point. It also has one of the highest melting point …

Rhenium(VII)-sulfid ist eine anorganische chemische Verbindung des Rheniums aus der Gruppe der Sulfide. (de) Rhenium(VII)-sulfid ist eine anorganische chemische Verbindung des Rheniums aus der Gruppe der Sulfide. (de) dbo:alias: Dirheniumheptasulfid (de) Dirheniumheptasulfid (de) dbo:casNumber: 1; dbo:formula: Re2S7; …

Finding the empirical formula of a substance with a percent composition of 23.12% Oxygen (O), 76.89% Rhenium (Re) requires just a few easy steps. 1. Determine the Molar Mass of Each Element. Using a periodic table, find the molar mass of each element. The the molar mass of an element is equal to the atomic weight. 2.

Rhenium (chemical symbol Re, atomic number 75) is a silvery-white, lustrous, rare metal.Obtained as a byproduct of molybdenum refinement, it is among the ten most expensive metals on Earth.It is extremely resistant to wear and has one of the highest melting points of all elements. Its alloys with molybdenum or tungsten are …

Rhenium - Re. Chemical properties of rhenium - Environmental effects of rhenium - Chemical effects of rehnium. Atomic number. 75. Atomic mass. 186.23 g.mol-1. Electronegativity according to Pauling. 1.9. Density. 20.5 g.cm-3 at 20°C. Melting point. 3170 °C. Boiling point. 5627 °C. Vanderwaals radius . 0.138 nm. Ionic radius.

Rhenium. Rhenium is a chemical element with symbol Re and atomic number 75. Classified as a transition metal, Rhenium is a solid at room temperature. 75. Re. Rhenium. Atomic Mass: 186.207 u: Electron Configuration [Xe]6s 2 4f 14 5d 5: Oxidation States +7, +6, +4: Year Discovered: 1925:

Rhenium (Re), the last naturally-occurring element to be discovered, was discovered in Germany in 1925. The process was so complicated and the cost so high that production was discontinued until early 1950 when tungsten-rhenium and molybdenum-rhenium alloys were prepared.