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cobalt atomic number

Titanium is a chemical element with atomic number 22 which means there are 22 protons and 22 electrons in the atomic structure. Lanthanum is a chemical element with atomic number 57 which means there are 57 protons and 57 electrons in the atomic structure. The chemical symbol for Phosphorus is P. As an element, phosphorus exists in two major forms—white phosphorus and red phosphorus—but because it is highly reactive, phosphorus is never found as a free element on Earth. Oxygen is a chemical element with atomic number 8 which means there are 8 protons and 8 electrons in the atomic structure. Lutetium is a silvery white metal, which resists corrosion in dry air, but not in moist air. Lead is a heavy metal that is denser than most common materials. Hafnium is a chemical element with atomic number 72 which means there are 72 protons and 72 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. Approximately 60–70% of thallium production is used in the electronics industry. Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass. Although neodymium is classed as a rare earth, it is a fairly common element. Radioactive 60 Co is used in the treatment of cancer. A major development was the discovery that steel could be made highly resistant to corrosion and discoloration by adding metallic chromium to form stainless steel. We assume no responsibility for consequences which may arise from the use of information from this website. We can determine the neutron number of certain isotope. The chemical symbol for Selenium is Se. It is occasionally found in native form as elemental crystals. Holmium is a chemical element with atomic number 67 which means there are 67 protons and 67 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. Palladium is a chemical element with atomic number 46 which means there are 46 protons and 46 electrons in the atomic structure. Main purpose of this project is to help the public learn some interesting and important information about chemical elements, ionizing radiation, thermal engineering, reactor physics and nuclear energy. The various species of atoms whose nuclei contain particular numbers of protons and neutrons are called nuclides. In nuclear industry boron is commonly used as a neutron absorber due to the high neutron cross-section of isotope 10B. Notes on the properties of Cobalt: Specific Heat: Value given for solid phase. The chemical symbol for Lead is Pb.    Crystal Structure, Element Groups: Discoverer: Scientists at Dubna, Russia (1964)/Albert Ghiorso et. Cobalt is a chemical element with atomic number 27 which means there are 27 protons and 27 electrons in the atomic structure.The chemical symbol for Cobalt is Co. Atomic Mass of Cobalt. Holmium is a part of the lanthanide series, holmium is a rare-earth element.  Help The chemical symbol for Californium is Cf. It is a soft, silvery-white alkali metal. Holmium is a relatively soft and malleable silvery-white metal. Praseodymium is a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties. The chemical symbol for Hafnium is Hf. Areas covered include atomic structure, physical properties, atomic interaction, thermodynamics, identification, atomic size, crystal structure, history, abundances, and nomenclature. Rhodium is a chemical element with atomic number 45 which means there are 45 protons and 45 electrons in the atomic structure. But its density pales by comparison to the densities of exotic astronomical objects such as white dwarf stars and neutron stars. © 2019 periodic-table.org / see also It has the symbol Co. Erbium is a silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements. Tellurium is far more common in the universe as a whole than on Earth. Atomic structure of Cobalt includes atomic number, atomic weight, electron configuration Hassium is a chemical element with symbol Hs and atomic number 108. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. 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. Osmium is the densest naturally occurring element, with a density of 22.59 g/cm3. Boron is a chemical element with atomic number 5 which means there are 5 protons and 5 electrons in the atomic structure. Scandium is a silvery-white metallic d-block element, it has historically been sometimes classified as a rare-earth element, together with yttrium and the lanthanides. Niobium is a soft, grey, ductile transition metal, often found in the minerals pyrochlore (the main commercial source for niobium) and columbite. Lead is widely used as a gamma shield. Mercury is a heavy, silvery d-block element, mercury is the only metallic element that is liquid at standard conditions for temperature and pressure. Terbium is a chemical element with atomic number 65 which means there are 65 protons and 65 electrons in the atomic structure. The chemical symbol for Rubidium is Rb. The absorption of a neutron converts cobalt-59 to radioactive cobalt-60 (half-life 5.272 years), which decays by the emission of a beta particle and a high-energy gamma ray to nickel-60. Major advantage of lead shield is in its compactness due to its higher density. Mass was no longer considered unchangeable in the closed system. The chemical symbol for Tin is Sn. The chemical symbol for Krypton is Kr. Classified as a transition metal, Cobalt is a solid at room temperature. Pure radium is silvery-white alkaline earth metal. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. See also: Atomic Mass Number – Does it conserve in a nuclear reaction? The chemical symbol for Zirconium is Zr. Moreover, cobalt is a hard lustrous bluish-gray metal but, on the contrary, the titanium has a silvery grey-white metallic appearance. The chemical symbol for Terbium is Tb. Einsteinium is the seventh transuranic element, and an actinide. In nuclear industry cadmium is commonly used as a thermal neutron absorber due to very high neutron absorption cross-section of 113Cd. It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. Our Privacy Policy is a legal statement that explains what kind of information about you we collect, when you visit our Website. Carbon is one of the few elements known since antiquity. 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. Since the density (ρ) of a substance is the total mass (m) of that substance divided by the total volume (V) occupied by that substance, it is obvious, the density of a substance strongly depends on its atomic mass and also on the atomic number density (N; atoms/cm3). Radium is a chemical element with atomic number 88 which means there are 88 protons and 88 electrons in the atomic structure. Cobalt salts are used to impart blue and green colors in glass and ceramics. Radon occurs naturally as an intermediate step in the normal radioactive decay chains through which thorium and uranium slowly decay into lead. Neon is a chemical element with atomic number 10 which means there are 10 protons and 10 electrons in the atomic structure. Fermium is a member of the actinide series. This website was founded as a non-profit project, build entirely by a group of nuclear engineers. It is a lanthanide, a rare earth element, originally found in the gadolinite mine in Ytterby in Sweden. Cobalt (Co) lies with the transition metals on the periodic table. Significant concentrations of boron occur on the Earth in compounds known as the borate minerals. Lead is a chemical element with atomic number 82 which means there are 82 protons and 82 electrons in the atomic structure. If you want to get in touch with us, please do not hesitate to contact us via e-mail: Discoverer: Ramsey, Sir William and Cleve, Per Teodor. The chemical symbol for Bromine is Br. Copper is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. Argon is the third-most abundant gas in the Earth’s atmosphere, at 0.934% (9340 ppmv). Zirconium is a lustrous, grey-white, strong transition metal that resembles hafnium and, to a lesser extent, titanium. (See Appendix 6.) 2) You may not distribute or commercially exploit the content, especially on another website. Uranium is weakly radioactive because all isotopes of uranium are unstable, with half-lives varying between 159,200 years and 4.5 billion years. Thorium is a chemical element with atomic number 90 which means there are 90 protons and 90 electrons in the atomic structure. Mercury is commonly known as quicksilver and was formerly named hydrargyrum. Titanium is resistant to corrosion in sea water, aqua regia, and chlorine. cobalt 60: (Co) [ ko´bawlt ] a chemical element, atomic number 27, atomic weight 58.933. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air. The chemical symbol for Antimony is Sb. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air. Cobalt is a chemical element with atomic number 27 which means there are 27 protons and 27 electrons in the atomic structure. Cobalt-60, a radioactive isotope of cobalt, is an important source of gamma rays and is used to treat some forms of cancer and as a medical tracer. The nucleus consists of 27 protons (red) and 32 neutrons (blue). Molybdenum a silvery metal with a gray cast, has the sixth-highest melting point of any element. It is the heaviest element that can be formed by neutron bombardment of lighter elements, and hence the last element that can be prepared in macroscopic quantities. The unit of measure for mass is the atomic mass unit (amu). The chemical symbol for Mercury is Hg. Ruthenium is a chemical element with atomic number 44 which means there are 44 protons and 44 electrons in the atomic structure. Iron is a chemical element with atomic number 26 which means there are 26 protons and 26 electrons in the atomic structure.  Links, Show Table With: The chemical symbol for Astatine is At.    Rare Earth Elements, Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page. The chemical symbol for Silver is Ag. Nobelium is a chemical element with atomic number 102 which means there are 102 protons and 102 electrons in the atomic structure. All of the alkali metals have a single valence electron in the outer electron shell, which is easily removed to create an ion with a positive charge – a cation, which combines with anions to form salts. Iron is a metal in the first transition series. Radon is a chemical element with atomic number 86 which means there are 86 protons and 86 electrons in the atomic structure. Atomic Number of Cobalt. Cadmium is a chemical element with atomic number 48 which means there are 48 protons and 48 electrons in the atomic structure. The chemical symbol for Beryllium is Be. Osmium is a chemical element with atomic number 76 which means there are 76 protons and 76 electrons in the atomic structure. Francium is the second-least electronegative element, behind only caesium, and is the second rarest naturally occurring element (after astatine). The chemical symbol for Silicon is Si. Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals (PGMs). The most commonly used spontaneous fission neutron source is the radioactive isotope californium-252. Cobalt is required in small amounts for life and is the only metal found in vitamins (cobalt is the critical component of vitamin B 12. The chemical symbol for Arsenic is As. Rhenium is a chemical element with atomic number 75 which means there are 75 protons and 75 electrons in the atomic structure. Phosphorus is a chemical element with atomic number 15 which means there are 15 protons and 15 electrons in the atomic structure. Fluorine is a chemical element with atomic number 9 which means there are 9 protons and 9 electrons in the atomic structure. Neptunium is the first transuranic element. Members are cobalt (Co), rhodium (Rh), iridium (Ir) and meitnerium (Mt). The chemical symbol for Fermium is Fm. The chemical symbol for Dysprosium is Dy. Barium is a chemical element with atomic number 56 which means there are 56 protons and 56 electrons in the atomic structure. The chemical symbol for Protactinium is Pa. Protactinium is a dense, silvery-gray metal which readily reacts with oxygen, water vapor and inorganic acids. The chemical symbol for Germanium is Ge. The name samarium is after the mineral samarskite from which it was isolated. Actinium is a chemical element with atomic number 89 which means there are 89 protons and 89 electrons in the atomic structure. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels. The chemical symbol for Sulfur is S. Sulfur is abundant, multivalent, and nonmetallic. Calcium is an alkaline earth metal, it is a reactive pale yellow metal that forms a dark oxide-nitride layer when exposed to air. All Rights Reserved. Helium is a chemical element with atomic number 2 which means there are 2 protons and 2 electrons in the atomic structure. The atomic number of cobalt is 27 and it is indicated by symbol is Co. Cobalt is a ferromagnetic. Praseodymium is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. Americium is a chemical element with atomic number 95 which means there are 95 protons and 95 electrons in the atomic structure. From the German word Kobald, goblin or evil spirit; also from the Greek cobalos, mine. The chemical symbol for Uranium is U. It rarely occurs in its elemental state or as pure ore compounds in the Earth’s crust. The chemical symbol for Plutonium is Pu. The chemical symbol for Cadmium is Cd. Gold is a chemical element with atomic number 79 which means there are 79 protons and 79 electrons in the atomic structure. The chemical symbol for Holmium is Ho.

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