Advanced nanomaterials and chemicals for bio medical. |Biomedicalmaterialsprogram

Newsbiomedicalmaterialsprogram

Tag: element

Page 1/1

Email: inquiryartista2020@gmail.com


    Blog

    Livermorium Neutrons

    livermorium neutrons are produced in nuclear fusion reactions. They are also released during the formation of a new element (such as uranium).

    Element 116 was first synthesized in 2000 by researchers from Lawrence Livermore National Laboratory and scientists from the Joint Institute for Nuclear Research, Dubna, Russia. Its name, livermorium, honors the city of Livermore and LLNL, where the experiment took place.

    The discovery of element 116 was made in a team led by Yuri Oganessian, Vladimir Utyonkov and Kenton Moody at the Joint Institute for Nuclear Research in Dubna. The team bombarded curium targets with calcium to produce the element.

    During the reaction, the nuclei of calcium-48 fused with the nuclei of curium-248. This resulted in the production of eight more atoms of livermorium.

    Chemically, livermorium is a p-block transactinide element in group 16 of the periodic table. It is the heaviest element in this group. It is predicted to have some similar properties to the lighter homologous elements (oxygen, sulfur, selenium, and tellurium) but it is also expected to behave as a post transition metal.

    The atomic mass of livermorium is 293 g/mol. It has a covalent radius of 164 pm. This reflects the fact that the atomic nucleus occupies a much smaller space than the atom's outer shell of electrons. The difference is a measure of the nuclear binding energy which holds the nucleus together.

    2023-03-05

    Blog

    Carbon and Bromine Oxidation Numbers

    There are various similarities and differences between the non-metallic element carbon and the halogen element bromine. The oxidation numbers of these elements in several compounds can be used as a basis for classifying organic reactions.

    Bromine is a tetravalent halogen that has a number of properties that make it attractive for use in flame retardants, furniture foam, and textiles. It is also a toxic gas with a strong smell. Since bromine is not stable, it disrupts biological reactions.

    Carbon is the 15th most abundant element in the earth's crust. It is a non-metallic element with four valence electrons, and it is one of the softer materials.

    In contrast, chlorine is an electronegative element, and is the largest halogen. Bromine is the third lightest halogen. These differences are important because they influence the nature of the bond between the two elements.

    When carbon and bromine are combined, they form a covalent bond. This is the most stable chemical bond and the relationship between the two is one of the strongest.

    The characteristic frequency of the bond is about 300 cm-1. A decrease in the characteristic frequency indicates a weakening of the bond.

    Another characteristic is the force constant. This characteristic is a measure of the tendency of a bonding pair to move towards the other nucleus. For a single bromine atom, this value is about 2.5x10-5 dynes per cm.

    For bromide with three atoms, this value is about 1.69x1013; for bromide with four atoms, it is about 1.69x1013; for chloride, it is about 3.2x10-5 dynes per cm.


    Inquiry us

    2023-02-04

    Products Category


    Innovative materials

    Cement foaming agent, also known as foaming concrete foaming agent, refers to an admixture that can reduce the surface tension of liquid and generate a large amount of uniform and stable foam for the production of foamed concrete. Foaming agent is a kind of substance that can make its aqueous...

    Molecular sieves

    Molecular sieve is a synthetic hydrated aluminosilicate (zeolite) or natural zeolite with the function of screening molecules.Zeolite molecular sieve has a complex and changeable structure and a unique pore system, and is a catalyst with excellent performance. Uses of Molecular Sieves Molecular sieve is mainly caused by molecular attraction, which...

    Surfactant

    Any substance that dissolves in water and can significantly reduce the surface energy of water is called a surface active agent (surface active agent, SAA) or surface active substance. Surfactants reduce the surface tension of water by adsorbing at the gas-liquid two-phase interface, and can also reduce the oil-water interfacial...

    Lithium Battery Anode

    Lithium battery anode material are generally divided into carbon-based negative electrodes and non-carbon-based negative electrodes. Among them, carbon-based negative electrodes can be divided into graphite, hard carbon, and soft carbon negative electrodes. Graphite can be divided into artificial graphite, natural graphite, and mesocarbon microspheres; non-carbon The negative electrode includes lithium...

    MAX Phase

    The MAX phase is a new type of ternary layered compound, which is composed of three elements, M, A and X, and its general chemical formula is MN+1AXN, (wherein, M: pre-transition metal, A: Group A element, X: Carbon or nitrogen, N=1, 2, 3…), both metal materials (excellent electrical and thermal...

    Metal Alloy

    Alloy is a mixture with metallic properties synthesized by two or more metals and metals or non-metals by certain methods. Generally obtained by fusion into a homogeneous liquid and solidification. According to the number of constituent elements, it can be divided into binary alloys, ternary alloys and multi-element alloys. Two...

    Nanoparticles

    Nanometer-scale structural materials are referred to as nanometer materials for short, which refer to the size of their structural units ranging from 1 nanometer to 100 nanometers. Since its size is close to the coherence length of electrons, its properties are greatly changed due to the self-organization brought about by...

    Stearic Acid Series

    Stearic acid, namely octadecanoic acid, molecular formula C18H36O2, is produced by the hydrolysis of oil and is mainly used to produce stearate. Dissolve each gram in 21ml of ethanol, 5ml of benzene, 2ml of chloroform or 6ml of carbon tetrachloride. Applications of Stearic acid Mainly used in the production of...

    Selenide Powder

    There is a typical antagonism between selenium and metals, and selenium with different valences can combine with metal ions to form metal selenides. Metal selenides have attracted much attention in recent years due to their excellent optoelectronic and catalytic properties, and have potential applications in solar cells, pollutant degradation, and...

    Telluride Powder

    Tellurium is a typical scattered element. Tellurium and its compounds are widely used in metallurgy, chemical industry, electronics, energy, medicine and health and other industries.Telluride is a compound of tellurium with a metal or a non-metal. Such as the representative of the telluride with a non-metal is hydrogen telluride, which...

    Silicide Powder

    Binary compounds formed by certain metals (such as lithium, calcium, magnesium, iron, chromium, etc.) and some non-metals (such as boron, etc.) and silicon. Generally crystalline, with metallic luster, hard and high melting point. Uses of Silicide Powder Metal silicide as an electric heating element is one of its earliest applications....

    Nitride Powder

    Nitride is similar to metal in appearance, hardness and conductivity, and generally has high hardness, high melting point, stable chemical properties, and electrical conductivity. Such as titanium nitride, vanadium nitride, zirconium nitride, tantalum nitride, etc. is hard and refractory, and has the characteristics of chemical corrosion resistance and high temperature...

    Carbide powder

    Carbide powder is a binary compound formed by carbon (other than hydrogen) which is smaller or similar to electronegativity. Carbides have a higher melting point. Most carbides are carbon and metal at high temperatures. The next reaction is obtained. The properties of the element are divided into metal carbides and...

    Oxide Powder

    Oxide powder is the chemical compound solid powder contains one oxygen and another element, such as metal oxides, metal oxides are a chemical compound formed between metals, specifically cations such as Na, K, Li, etc., and oxygen. These compounds require at least of two elements, as compounds do, and always...

    Sulfide Powder

    Sulfide powder refers to the chemical compounds powder with large families of inorganic and organic compounds, e.g. copper sulfide, Zinc sulfide, molybdenum disulfide, tungsten disulfide powders and so on. Sulfides and their similar compounds include a series of metals and semi-metallic elements combined with S, Se, Te, As, Sb, Bi...

    3D Printing Powder

    3D Printing powder are metal powders that are reduced to fine particles. 3D printing metal powder are the the preliminary base materials for most 3D printing processes that produce metallic parts. 3D printing, also known as additive manufacturing (AM), is the manufacturing of parts and products in a layer-by-layer fashion....

    Boride Powder

    Metallic boride powders are very unique but functional new ceramic materials.The boride powders have many advantages such as high melting point, high hardness, good electrical conductivity and thermal conductivity. Therefore, boride powder can be used as heat-resistant and hard materials that can be accurately processed by electric discharge machining. Such...

    Elementary

    Elementary substance is a pure chemical substance that consists of atoms belonging to a single chemical element, it is widely used in many industrial fields. Are you looking for high purity & quality elementary substance such as hafnium diboride powder, zirconium diboride powder, aluminum diboride powder, magnesium diboride powder? Biomedicalmaterialsprogram...

    Resent Products