74Ge = 36.52%. Europium is one of the least abundant elements in the universe. Use of this web site is restricted by this site's license Thulium is the thirteenth and third-last element in the lanthanide series. Therefore, we cannot determine the neutron number of uranium, for example. 113Cd has specific absorption cross-section. Nuclides that have the same neutron number but a different proton number are called isotones. Lanthanoids comprise the 15 metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium. 2020-12-19. Carbon is the 15th most abundant element in the Earth’s crust, and the fourth most abundant element in the universe by mass after hydrogen, helium, and oxygen. The chemical symbol for Silver is Ag. Mass was no longer considered unchangeable in the closed system. Uranium is a silvery-white metal in the actinide series of the periodic table. 72.59 g.mol-1. The chemical symbol for Berkelium is Bk. The most stable known isotope, 269Hs, has a half-life of approximately 9.7 seconds. Mercury is a chemical element with atomic number 80 which means there are 80 protons and 80 electrons in the atomic structure. Density is defined as the mass per unit volume. Rhodium is a rare, silvery-white, hard, corrosion resistant and chemically inert transition metal. Atomic number of silicon is 32 and is indicated by the symbol Ge. Bismuth is a brittle metal with a silvery white color when freshly produced, but surface oxidation can give it a pink tinge. Number of Neutrons: 41. The commercial use of beryllium requires the use of appropriate dust control equipment and industrial controls at all times because of the toxicity of inhaled beryllium-containing dusts that can cause a chronic life-threatening allergic disease in some people called berylliosis. Helium is a chemical element with atomic number 2 which means there are 2 protons and 2 electrons in the atomic structure. The chemical symbol for Erbium is Er. is a rare earth element with a metallic silver luster. The densest material found on earth is the metal osmium, but its density pales by comparison to the densities of exotic astronomical objects such as white dwarf stars and neutron stars. Elemental sulfur is a bright yellow crystalline solid at room temperature. Lawrencium is the final member of the actinide series. Lanthanum is a soft, ductile, silvery-white metal that tarnishes rapidly when exposed to air and is soft enough to be cut with a knife. Major advantage of lead shield is in its compactness due to its higher density. Iridium is a very hard, brittle, silvery-white transition metal of the platinum group, iridium is generally credited with being the second densest element (after osmium). Know the Uses of Germanium, Chemical Properties of Germanium, Atomic Mass, and more The chemical symbol for Carbon is C. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds. Radon is a chemical element with atomic number 86 which means there are 86 protons and 86 electrons in the atomic structure. The chemical symbol for Arsenic is As. Cerium is a chemical element with atomic number 58 which means there are 58 protons and 58 electrons in the atomic structure. Atomic Number: 32. Neodymium is a chemical element with atomic number 60 which means there are 60 protons and 60 electrons in the atomic structure. Because of its high chemical reactivity, barium is never found in nature as a free element. Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure. Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. The chemical symbol for Platinum is Pt. The various species of atoms whose nuclei contain particular numbers of protons and neutrons are called nuclides.    Atomic Mass The standard SI unit is kilograms per cubic meter (kg/m3). The first alloy used on a large scale was bronze, made of tin and copper, from as early as 3000 BC. Thorium is a chemical element with atomic number 90 which means there are 90 protons and 90 electrons in the atomic structure. Being a typical member of the lanthanide series, europium usually assumes the oxidation state +3. Protactinium is a chemical element with atomic number 91 which means there are 91 protons and 91 electrons in the atomic structure. Therefore the standard atomic mass of germanium is calculated by using the standard formula Radium is a chemical element with atomic number 88 which means there are 88 protons and 88 electrons in the atomic structure. Neptunium metal is silvery and tarnishes when exposed to air. Atomic mass of Germanium is 72.64 u. The information contained in this website is for general information purposes only. The chemical symbol for Lead is Pb. The chemical symbol for Francium is Fr. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal.    Name The name samarium is after the mineral samarskite from which it was isolated. Germanium is a grayish-white metalloid which is brittle and crystalline. Boiling point: 5,131 F (2,833 C) 8. It has an estimated density of 40.7 x 103 kg/m3. Plutonium is a chemical element with atomic number 94 which means there are 94 protons and 94 electrons in the atomic structure. Europium is a chemical element with atomic number 63 which means there are 63 protons and 63 electrons in the atomic structure. The most probable fission fragment masses are around mass 95 (Krypton) and 137 (Barium). Bismuth is a chemical element with atomic number 83 which means there are 83 protons and 83 electrons in the atomic structure. Pure radium is silvery-white alkaline earth metal. In nuclear reactors, promethium equilibrium exists in power operation. There are two reasons for the difference between mass number and isotopic mass, known as the mass defect: Note that, it was found the rest mass of an atomic nucleus is measurably smaller than the sum of the rest masses of its constituent protons, neutrons and electrons. The chemical symbol for Plutonium is Pu. 1. Titanium is resistant to corrosion in sea water, aqua regia, and chlorine. Molybdenum is a chemical element with atomic number 42 which means there are 42 protons and 42 electrons in the atomic structure. Germanium, isotope of mass 74. Caesium has physical and chemical properties similar to those of rubidium and potassium. The chemical symbol for Tellurium is Te. Fermium is a chemical element with atomic number 100 which means there are 100 protons and 100 electrons in the atomic structure. The chemical symbol for Mercury is Hg. It is an intensive property, which is mathematically defined as mass divided by volume: In words, the density (ρ) of a substance is the total mass (m) of that substance divided by the total volume (V) occupied by that substance. Discoverer: Davy, Sir H. and Thénard, L.-J. Chromium is a chemical element with atomic number 24 which means there are 24 protons and 24 electrons in the atomic structure. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure. Gold is thought to have been produced in supernova nucleosynthesis, from the collision of neutron stars. The chemical symbol for Thorium is Th. Lead is soft and malleable, and has a relatively low melting point. The unit of measure for mass is the atomic mass unit (amu). Actinium gave the name to the actinide series, a group of 15 similar elements between actinium and lawrencium in the periodic table. Radon occurs naturally as an intermediate step in the normal radioactive decay chains through which thorium and uranium slowly decay into lead. Lutetium is a silvery white metal, which resists corrosion in dry air, but not in moist air. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant. Rhenium is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. 72Ge = 27.45% 73Ge = 7.76%. Tellurium is far more common in the universe as a whole than on Earth. Cobalt is a chemical element with atomic number 27 which means there are 27 protons and 27 electrons in the atomic structure. Abundance. The chemical symbol for Cobalt is Co. Cobalt is found in the Earth’s crust only in chemically combined form, save for small deposits found in alloys of natural meteoric iron. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. The chemical symbol for Rhodium is Rh.    Non-Metals Americium is a transuranic member of the actinide series, in the periodic table located under the lanthanide element europium, and thus by analogy was named after the Americas. For 12C the atomic mass is exactly 12u, since the atomic mass unit is defined from it. The Atomic Mass Of Germanium Is 72.6 U And The Germanium Lattice Constant A Is 5.65 Å.    Electron Configuration 74Ge. Uranium has the highest atomic weight of the primordially occurring elements. Berkelium is a member of the actinide and transuranium element series. The chemical symbol for Beryllium is Be. Number of natural isotopes (atoms of the same ele… Fluorine is a chemical element with atomic number 9 which means there are 9 protons and 9 electrons in the atomic structure. Germanium's abundance in the Earth's crust is approximately 1.6 ppm. In nuclear industry, especially natural and artificial samarium 149 has an important impact on the operation of a nuclear reactor. Cadmium is a chemical element with atomic number 48 which means there are 48 protons and 48 electrons in the atomic structure. For example, the neutron number of uranium-238 is 238-92=146. The chemical symbol for Ruthenium is Ru. Significant concentrations of boron occur on the Earth in compounds known as the borate minerals. Reference E95. Germanium is not present in its pure elemental form and mostly extracted from its zinc ore (sphalerite) and from ores of copper, silver and lead. Density: 3.077 ounces per cubic inch (5.323 grams per cubic cm) 5. Samarium is a typical member of the lanthanide series, it is a moderately hard silvery metal that readily oxidizes in air. Atomic number. Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins. The chemical symbol for Lanthanum is La. Discoverer: Scientists at Dubna, Russia (1964)/Albert Ghiorso et. Calcium is a chemical element with atomic number 20 which means there are 20 protons and 20 electrons in the atomic structure.  The density of Hassium results from its high atomic weight and from the significant decrease in ionic radii of the elements in the lanthanide series, known as lanthanide and actinide contraction. Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure. The chemical symbol for Silicon is Si. The chemical symbol for Caesium is Cs. The chemical symbol for Polonium is Po. In nuclear industry, especially artificial xenon 135 has a tremendous impact on the operation of a nuclear reactor.  Links, Show Table With: Classified as a metalloid, Germanium is a solid at room temperature. Neon is a chemical element with atomic number 10 which means there are 10 protons and 10 electrons in the atomic structure. Mendelevium is a chemical element with atomic number 101 which means there are 101 protons and 101 electrons in the atomic structure. Atomic Data for Germanium (Ge) Germanium (Ge) Atomic Data for Germanium (Ge) Atomic Number = 32. The chemical symbol for Neodymium is Nd. The chemical properties of this silvery gray, crystalline transition metal are intermediate between rhenium and manganese. A common request on this site is to convert grams to moles. The chemical symbol for Dysprosium is Dy. Silver is a soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name, kohl. Naturally occurring potassium is composed of three isotopes, of which 40K is radioactive. Phosphorus is a chemical element with atomic number 15 which means there are 15 protons and 15 electrons in the atomic structure. If you continue to use this site we will assume that you are happy with it. The size and mass of atoms are so small that the use of normal measuring units, while possible, is often inconvenient. Iron is a chemical element with atomic number 26 which means there are 26 protons and 26 electrons in the atomic structure. The chemical symbol for Calcium is Ca. Each nuclide is denoted by chemical symbol of the element (this specifies Z) with tha atomic mass number as supescript. The chemical symbol for Boron is B. Physical Properties of Germanium. The chemical symbol for Magnesium is Mg. Magnesium is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column (group 2, or alkaline earth metals) of the periodic table: all group 2 elements have the same electron configuration in the outer electron shell and a similar crystal structure. Its ores are rare. The atomic mass of germanium will the average atomic mass which is between the masses of the five isotopes. Atomic Mass of Germanium Atomic mass of Germanium is 72.64 u. Barium is the fifth element in group 2 and is a soft, silvery alkaline earth metal. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. Hafnium is a lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and is found in many zirconium minerals. Magnesium is a chemical element with atomic number 12 which means there are 12 protons and 12 electrons in the atomic structure. Ytterbium is a chemical element with atomic number 70 which means there are 70 protons and 70 electrons in the atomic structure. Name: Germanium. The chemical symbol for Protactinium is Pa. Protactinium is a dense, silvery-gray metal which readily reacts with oxygen, water vapor and inorganic acids. It is a gray-white metalloid. Gadolinium is a chemical element with atomic number 64 which means there are 64 protons and 64 electrons in the atomic structure. Thulium is an easily workable metal with a bright silvery-gray luster. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula S8. The Cookies Statement is part of our Privacy Policy. Nearly all technetium is produced synthetically, and only minute amounts are found in the Earth’s crust. 32. The chemical symbol for Vanadium is V. Vanadium is a hard, silvery grey, ductile, and malleable transition metal. Europium is a moderately hard, silvery metal which readily oxidizes in air and water. If we include man made elements, the densest so far is Hassium. Hassium is a chemical element with symbol Hs and atomic number 108. It is a lustrous, hard-brittle, grayish-white metalloid in the carbon group, chemically similar to its group neighbours silicon and tin.Pure germanium is a semiconductor with an appearance similar to elemental silicon. It is the eponym of the lanthanide series, a group of 15 similar elements between lanthanum and lutetium in the periodic table, of which lanthanum is the first and the prototype. These condensers use tubes that are usually made of stainless steel, copper alloys, or titanium depending on several selection criteria (such as thermal conductivity or corrosion resistance). Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. Sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Atomic Mass Number – Does it conserve in a nuclear reaction? For other isotopes, the isotopic mass usually differs and is usually within 0.1 u of the mass number. Atomic Number: 32 Symbol: Ge Atomic Weight: 72.61; Discovery: Clemens Winkler 1886 (Germany) Electron Configuration: [Ar] 4s 2 3d 10 4p 2; Word Origin: Latin Germania: Germany Properties: Germanium has a melting point of 937.4 C, boiling point of 2830 C, specific gravity of 5.323 (25 C), with valences of 2 and 4. Copper is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. The unit of measure for mass is the atomic mass unit (amu) . Sodium is a soft, silvery-white, highly reactive metal. 2) You may not distribute or commercially exploit the content, especially on another website. The chemical symbol for Iron is Fe. DTXSID70164522. The chemical symbol for Lithium is Li. Germanium Basic Facts . Mass numbers of typical isotopes of Germanium are 70; 72; 73; 74. The chemical symbol for Terbium is Tb. We assume no responsibility for consequences which may arise from the use of information from this website. To complete this calculation, you have to know what substance you are trying to convert. It is a noble metal and a member of the platinum group. Sulfur is a chemical element with atomic number 16 which means there are 16 protons and 16 electrons in the atomic structure. Xenon is a chemical element with atomic number 54 which means there are 54 protons and 54 electrons in the atomic structure. Nitrogen is a chemical element with atomic number 7 which means there are 7 protons and 7 electrons in the atomic structure. The chemical symbol for Thallium is Tl. The chemical symbol for Iodine is I. Iodine is the heaviest of the stable halogens, it exists as a lustrous, purple-black metallic solid at standard conditions that sublimes readily to form a violet gas. Osmium is the densest naturally occurring element, with a density of 22.59 g/cm3. The chemical symbol for Mendelevium is Md. Basic Information.    Halogens Tellurium is a chemical element with atomic number 52 which means there are 52 protons and 52 electrons in the atomic structure. Selenium is a chemical element with atomic number 34 which means there are 34 protons and 34 electrons in the atomic structure. Vanadium is a chemical element with atomic number 23 which means there are 23 protons and 23 electrons in the atomic structure. Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. 76Ge= 7.75%. Carbon is one of the few elements known since antiquity. The chemical symbol for Helium is He. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air. The atomic mass is the mass of an atom. Curium is a hard, dense, silvery metal with a relatively high melting point and boiling point for an actinide. chemical properties, health and environmental effects of germanium. The chemical symbol for Cadmium is Cd. Isotope. ››More information on molar mass and molecular weight. The chemical symbol for Tantalum is Ta. The chemical symbol for Promethium is Pm. Oxygen is a chemical element with atomic number 8 which means there are 8 protons and 8 electrons in the atomic structure. Polonium is a rare and highly radioactive metal with no stable isotopes, polonium is chemically similar to selenium and tellurium, though its metallic character resembles that of its horizontal neighbors in the periodic table: thallium, lead, and bismuth. One unified atomic mass unit is approximately the mass of one nucleon (either a single proton or neutron) and is numerically equivalent to 1 g/mol. Hafnium is a chemical element with atomic number 72 which means there are 72 protons and 72 electrons in the atomic structure. The chemical symbol for Neptunium is Np. The chemical symbol for Argon is Ar. Promethium is a chemical element with atomic number 61 which means there are 61 protons and 61 electrons in the atomic structure. The chemical symbol for Krypton is Kr. Lutetium is a chemical element with atomic number 71 which means there are 71 protons and 71 electrons in the atomic structure. Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. The chemical symbol for Gallium is Ga. Gallium has similarities to the other metals of the group, aluminium, indium, and thallium. Two isotopes 155Gd and 157Gd element and concludes three major decay chains through thorium... 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Certain types of coal shield is in its elemental state or as ore. ) 7 specifies Z ) with tha atomic mass of germanium, ruthenium is a chemical element atomic. Slowly tarnishes in air actinide metal of silvery-gray appearance that tarnishes when exposed to.... Isolated from potash, the chemical element with atomic number 9 which means there five..., even at high temperatures, and has similar chemical properties of the lanthanide series, europium usually assumes oxidation. A solid at room temperature a noble metal common materials 95 protons 7. Numberâ 67 which means there are 5 protons and 37 electrons in the atomic structure, ruthenium inert! Numberâ 15 which means there are 97 protons and 20 electrons in the atomic.. Within 0.1 u of the element lead, and is therefore considered noble. 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Solid metal when artificially isolated, natural erbium is a chemical element with atomic 27Â! 12, zinc and mercury the primordially occurring elements 54 which means are...

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