What is the element of re, and what is the element of re

Introduction re element symbol: re English name: rhenium Chinese name:

Rhenium Relative atomic Mass: Common Valency: -1, +1, +2, +3, +4 Electronegativity:

Peripheral Electron Configuration: 5d5 6s2 Extranuclear Electron Configuration: 2,8,18,32,13,2 Isotopes and Radiation:

re-182[ re-183[70d] re-184[38d] re-185 re-186[ *re-187( [re-188[ electron affinity and energy: 14 kJ·mol-1 First ionization energy: 760 kJ·mol-1 Second ionization energy:

1600 kJ·mol-1 Third ionization energy: 0 kj·mol-1 Elemental density: g cm3 Elemental melting point:

Elemental boiling point: Atomic radius: Angstroms ionic radius:

Angstroms Covalent Radius: Angstroms Common compounds: reo3 ref6 Found in humans:

Latin: rhenus (Rhine). Element Description:

It's re, it's rhenium, you can see the encyclopedia for details.

re is the rhenium element. Rhenium is a chemical element.

The symbol is re, and the atomic order is 75. Rhenium is a silvery-white heavy metal in the periodic table.

It belongs to the 6th cycle of transition metals.

It is one of the rarest elements in the Earth's crust, with an average estimated content of one part per billion, and one of the elements with the highest melting and boiling points. Rhenium is a by-product of the molybdenum and copper refining process. its chemical properties.

Similar to manganese and technetium, oxidation states in compounds can be as low as 3 and as high as +7.

Rhenium was discovered by scientists in 1925, so it became the last stable element to be discovered. Its name (rhenium) is taken from the Rhine River in Europe.

Nickel-rhenium superalloy.

It can be used to manufacture combustion chambers, turbine blades and exhaust nozzles for jet engines. These alloys contain up to 6% rhenium, which is the largest practical application of rhenium, followed by pure slag as a catalyst in the chemical industry. Rhenium is more difficult to obtain than diamonds, so it is highly expensive, averaging US$4,575 per kilogram (US$ per troy ounce) in August 2011.

Because rhenium can be used in high-efficiency injection engines and rocket engines, it is very important in military strategy.

Meaning information Xun Kai material reference encyclopedia - rhenium.

re is a chemical element, Chinese named rhenium, atomic number 75, belongs to transition metal elements, chemical properties similar to chromium, tungsten and other elements.

Jin Su rhenium. RE is an abbreviation for Refractory, which means that this element has a very high melting point, the third highest melting point of all elements. Discovered in 1925 by German physicists Noddack, Tacke and Berg, RE is a very rare element that contains only about 1ppb in the earth's crust.

RE is a transition metal element with similar chemical properties to elements such as chromium and tungsten and can exhibit a variety of valencies in compounds. The main use of RE is as a component of superalloys and catalysts. Clan tremble.

RE is a very rare element, so it is found in very small quantities on Earth. Due to its very high melting point, it can maintain stability at high temperatures, which makes RE one of the ideal materials for the manufacture of superalloys. In addition to this, RE can also be used as a catalyst, electrode material, etc.

Due to the narrow application of RE, its production capacity is very limited and it is more expensive.

RE is the symbol for rhenium, a chemical element with an atomic number of 75.

Rhenium is a silvery-white heavy metal that belongs to the 6th period transition metal in the periodic table. It is one of the rarest elements in the Earth's crust, with an average content estimated at one part per billion, and one of the elements with the highest melting and boiling points. Rhenium is a by-product of the molybdenum and copper refining process.

Its chemical properties are similar to manganese and technetium, and the oxidation state in the compound can be as low as 3 and as high as +7.

Nickel-rhenium superalloys are used in the manufacture of combustion chambers, turbine blades and exhaust nozzles of jet engines. These alloys contain up to 6% rhenium, which is the largest practical application of rhenium, followed by as a catalyst in the chemical industry.

Rhenium for commercial use is generally in powder form, which can be pressed or sintered in vacuum or hydrogen to make a high-density solid, and its density is more than 90% of the metal state. Rhenium metal has high ductility when annealed and can be bent and rolled up. Rhenium-molybdenum alloys are superconductors at 10 K, while tungsten-rhenium alloys have superconducting temperatures ranging from 4 to 8 K.

Rhenium metal becomes a superconductor at that time.

Rhenium metal blocks are resistant to alkalis, sulphuric acid, hydrochloric acid, dilute nitric acid and aqua regia at standard temperatures and pressures.

RE is a chemical element called rhenium.

Rhenium is the latest natural element discovered by mankind and belongs to the 6th period transition metal in the periodic table. It is one of the rarest elements in the Earth's crust, with an average estimated content of one part per billion, and one of the highest melting and boiling points. Rhenium is a by-product of the molybdenum and copper refining process.

Its chemical properties are similar to manganese and technetium.

R elements are those that have atomic numbers from 21 to 30, they belong to period 4 and block d, also known as transition elements. These elements all have similar physical and chemical properties, including high melting point, high boiling point, hard texture, easy forging, complex electronic structure, and many more. They are not abundant in nature and are mainly found in minerals and ores.

The properties and uses of the r element are very wide. First of all, they have a wide range of applications in the manufacturing industry, such as steel production, manual electronics manufacturing, aerospace technology, and many more. In the steel industry, chromium and nickel are often used to make stainless steel.

In the manufacture of electronic devices, copper and iron are often used as conductors for wires. In aerospace technology, titanium is often used to make high-strength, lightweight components. In addition, the R element is also widely used in chemistry, medicine, metallurgy and other fields.

For each r-element, they have unique properties and characteristics. For example, chromium is an important alloying element that enhances steel's corrosion resistance, wear resistance, and hardness. Nickel is an important heat-resistant alloying element that can maintain its stable properties at high temperatures.

Copper is an excellent electrically and thermally conductive material, which is widely used in electronics, construction, and manufacturing. Titanium is a lightweight, high-strength metal element, often used in aviation, aerospace, energy and other fields.

In short, the R element is a very important class of elements, and they have a wide range of uses and application prospects in various fields. A better understanding of the absence of these elements will help us better apply them and advance science and technology. <>

Introduction Element Symbol: RE English name: rhenium Chinese name: rhenium.

Relative atomic Mass: Common Valency: -1, +1, +2, +3, +4 Electronegativity:

Peripheral Electron Configuration: 5d5 6s2 Extranuclear Electron Configuration: 2,8,18,32,13,2

Isotopes and radiation: re-182 [ re-183 [70d] re-184 [38d] re-185 re-186 [ *re-187 ( re-188 [.]

Electron affinity and energy: 14 kJ·mol-1

First ionization energy: 760 kJ·mol-1 Second ionization energy: 1600 kJ·mol-1 Third ionization energy: 0 kj·mol-1

Elemental density: g cm3 Elemental melting point: Elemental boiling point:

Atomic Radius: Angstroms Ionic Radius: Angstroms Covalent Radius: Angstroms.

Common compounds: REO3 ref6

Origin of the name: Latin: rhenus (Rhine).

Element Description: Dense silvery-white metal, rare and expensive.

Elemental Uses Mixed with tungsten or platinum to make filaments on mass spectrometers. The addition of a small amount of rhenium to the alloy can increase the hardness, so it is used to make metal parts that can withstand friction for a long time.