terbium mass number

Silver is a soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. Because of its closed-shell electron configuration, its density and melting and boiling points differ significantly from those of most other lanthanides. Mercury is commonly known as quicksilver and was formerly named hydrargyrum. Copper is a chemical element with atomic number 29 which means there are 29 protons and 29 electrons in the atomic structure. Despite its high price and rarity, thulium is used as the radiation source in portable X-ray devices. The number of protons determines the element, but the number of neutrons in the atom of any one element can vary. www.nuclear-power.net. Atomic mass of Terbium is 158.9253 u. Comprehensive data on the chemical element Terbium is provided on this page; including scores of properties, element names in many languages, most known nuclides of Terbium. Nitrogen is a chemical element with atomic number 7 which means there are 7 protons and 7 electrons in the atomic structure. It readily forms hard, stable carbides in alloys, and for this reason most of world production of the element (about 80%) is used in steel alloys, including high-strength alloys and superalloys. The chemical symbol for Cerium is Ce. Two crystal modifications exist, with a transformation temperature of 1289°C. Please visit their site for more information. The chemical symbol for Plutonium is Pu. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure. The chemical symbol for Indium is In. It is a member of the chalcogen group on the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. Mercury is a chemical element with atomic number 80 which means there are 80 protons and 80 electrons in the atomic structure. Neptunium metal is silvery and tarnishes when exposed to air. The chemical symbol for Mercury is Hg. 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. © 2019 periodic-table.org / see also Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. Terbium is a chemical element with symbol Tb and atomic number 65. Beryllium is a hard, grayish metal naturally found in mineral rocks, coal, soil, and volcanic dust. Palladium is a chemical element with atomic number 46 which means there are 46 protons and 46 electrons in the atomic structure. Erbium is a silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements. Arsenic is a chemical element with atomic number 33 which means there are 33 protons and 33 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. Gold is thought to have been produced in supernova nucleosynthesis, from the collision of neutron stars. Typical densities of various substances at atmospheric pressure. Gallium is a chemical element with atomic number 31 which means there are 31 protons and 31 electrons in the atomic structure. 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 Potassium is K. Potassium was first isolated from potash, the ashes of plants, from which its name derives. The chemical symbol for Arsenic is As. All of its isotopes are radioactive. Chemically, sulfur reacts with all elements except for gold, platinum, iridium, tellurium, and the noble gases. Neodymium is not found naturally in metallic form or unmixed with other lanthanides, and it is usually refined for general use. Terbium was discovered in 1843 by the Swedish chemist Carl Gustaf Mosander. 65 Tb Terbium 158.92535. en: Terbium ... element with the atomic number of 65. Indium is a chemical element with atomic number 49 which means there are 49 protons and 49 electrons in the atomic structure. The chemical symbol for Gadolinium is Gd. Lawrencium is a chemical element with atomic number 103 which means there are 103 protons and 103 electrons in the atomic structure. The chemical symbol for Platinum is Pt. 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. Scandium is a chemical element with atomic number 21 which means there are 21 protons and 21 electrons in the atomic structure. Copper is a chemical element with atomic number 29 which means there are 29 protons and 29 electrons in the atomic structure. Each nuclide is denoted by chemical symbol of the element (this specifies Z) with tha atomic mass number as supescript. 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. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. Germanium is a chemical element with atomic number 32 which means there are 32 protons and 32 electrons in the atomic structure. Tellurium is chemically related to selenium and sulfur. The chemical symbol for Cadmium is Cd. Zirconium is a chemical element with atomic number 40 which means there are 40 protons and 40 electrons in the atomic structure. Curium is a chemical element with atomic number 96 which means there are 96 protons and 96 electrons in the atomic structure. The bulk properties of astatine are not known with any certainty. In some respects zinc is chemically similar to magnesium: both elements exhibit only one normal oxidation state (+2), and the Zn2+ and Mg2+ ions are of similar size. The chemical properties of this silvery gray, crystalline transition metal are intermediate between rhenium and manganese. 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. Discoverer: Scientists at Dubna, Russia (1964)/Albert Ghiorso et. The chemical symbol for Helium is He. Hafnium is a chemical element with atomic number 72 which means there are 72 protons and 72 electrons in the atomic structure. Francium is a highly radioactive metal that decays into astatine, radium, and radon. It is an extremely reactive element and a strong oxidising agent: among the elements, it has the highest electron affinity and the third-highest electronegativity, behind only oxygen and fluorine. The chemical symbol for Berkelium is Bk. Cerium is a soft, ductile and silvery-white metal that tarnishes when exposed to air, and it is soft enough to be cut with a knife. It is an extremely reactive element and a strong oxidising agent: among the elements, it has the highest electron affinity and the third-highest electronegativity, behind only oxygen and fluorine. Iridium is a chemical element with atomic number 77 which means there are 77 protons and 77 electrons in the atomic structure. It is a noble metal and a member of the platinum group. Lanthanum is a chemical element with atomic number 57 which means there are 57 protons and 57 electrons in the atomic structure. Chemically, indium is similar to gallium and thallium. Phase at Room Temperature: Solid. Argon is a chemical element with atomic number 18 which means there are 18 protons and 18 electrons in the atomic structure. Chromium is a chemical element with atomic number 24 which means there are 24 protons and 24 electrons in the atomic structure. Lanthanoids comprise the 15 metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium. Discoverer: Coster, Dirk and De Hevesy, George Charles, Discoverer: Elhuyar, Juan José and Elhuyar, Fausto, Discoverer: Noddack, Walter and Berg, Otto Carl and Tacke, Ida. The chemical symbol for Erbium is Er. Rhenium is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. The unit of measure for mass is the atomic mass unit (amu). The chemical symbol for Niobium is Nb. Holmium is a part of the lanthanide series, holmium is a rare-earth element. The chemical symbol for Aluminum is Al. Cerium is also traditionally considered one of the rare-earth elements. Calcium is a chemical element with atomic number 20 which means there are 20 protons and 20 electrons in the atomic structure. The name samarium is after the mineral samarskite from which it was isolated. Mass was no longer considered unchangeable in the closed system. Selenium is a nonmetal with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic. Period Number: 6. Atomic nuclei consist of protons and neutrons, which attract each other through the nuclear force, while protons repel each other via the electric force due to their positive charge. The chemical symbol for Rhenium is Re. For other isotopes, the isotopic mass usually differs and is usually within 0.1 u of the mass number. Name: Terbium Symbol: Tb Atomic Number: 65 Atomic Mass: 158.92534 amu Melting Point: 1360.0 °C (1633.15 K, 2480.0 °F) Boiling Point: 3041.0 °C (3314.15 K, 5505.8 °F) Number of Protons/Electrons: 65 Number of Neutrons: 94 Classification: Rare Earth Crystal Structure: Hexagonal Density @ 293 K: 8.27 g/cm 3 Color: silverish Atomic Structure Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. The chemical symbol for Berkelium is Bk. Holmium is a relatively soft and malleable silvery-white metal. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. Berkelium is a chemical element with atomic number 97 which means there are 97 protons and 97 electrons in the atomic structure. Thorium is a chemical element with atomic number 90 which means there are 90 protons and 90 electrons in the atomic structure. Since nucleons (protons and neutrons) make up most of the mass of ordinary atoms, the density of normal matter tends to be limited by how closely we can pack these nucleons and depends on the internal atomic structure of a substance. SDS; Terbium(III,IV) oxide. When terbium is isolated, it is silvery gray and relatively soft and easy to work. Thorium is moderately hard, malleable, and has a high melting point. Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure. Terbium definition, a rare-earth, metallic element present in certain minerals and yielding colorless salts. Selenium is a chemical element with atomic number 34 which means there are 34 protons and 34 electrons in the atomic structure. What's in a name? Einsteinium is a chemical element with atomic number 99 which means there are 99 protons and 99 electrons in the atomic structure. Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant. Nobelium is a chemical element with atomic number 102 which means there are 102 protons and 102 electrons in the atomic structure. Atomic Weight: 158.92535. As the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine. It must be noted, especially nuclear cross-sections may vary by many orders from nuclide with the neutron number N to nuclide with the neutron number N+1. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. All product information without warranty, errors and omissions excepted. The chemical symbol for Gold is Au. The chemical symbol for Neptunium is Np. The chemical symbol for Antimony is Sb. Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. The chemical symbol for Sodium is Na. Iridium is a chemical element with atomic number 77 which means there are 77 protons and 77 electrons in the atomic structure. It is occasionally found in native form as elemental crystals. Elemental sulfur is a bright yellow crystalline solid at room temperature. 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. It belongs to the group of lanthanides and was discovered in 1843 by Carl Mosander who also isolated erbium and lanthanum. Actinium gave the name to the actinide series, a group of 15 similar elements between actinium and lawrencium in the periodic table. Terbium is a chemical element with symbol Tb and atomic number 65. It is a silvery-white rare earth metal that is malleable, ductile and soft enough to be cut with a knife. Gold is a transition metal and a group 11 element. 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. The chemical symbol for Einsteinium is Es. Platinum is a chemical element with atomic number 78 which means there are 78 protons and 78 electrons in the atomic structure. Melting Point: 1629 K (1356°C or 2473°F) Boiling Point: 3503 K (3230°C or 5846°F) Density: 8.23 grams per cubic centimeter. The chemical symbol for Curium is Cm. Tellurium is a chemical element with atomic number 52 which means there are 52 protons and 52 electrons in the atomic structure. The chemical symbol for Francium is Fr. The first alloy used on a large scale was bronze, made of tin and copper, from as early as 3000 BC. Aluminium is a silvery-white, soft, nonmagnetic, ductile metal in the boron group. Isotopes With A Known Natural Abundance. Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. Units of measure have been defined for mass and energy on the atomic scale to make measurements more convenient to express. Carbon is a chemical element with atomic number 6 which means there are 6 protons and 6 electrons in the atomic structure. It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. Actinium is a soft, silvery-white radioactive metal. Bismuth is a pentavalent post-transition metal and one of the pnictogens, chemically resembles its lighter homologs arsenic and antimony. According to the Einstein relationship (E=mc2), this binding energy is proportional to this mass difference and it is known as the mass defect. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air. 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). Titanium is resistant to corrosion in sea water, aqua regia, and chlorine. Zirconium is a chemical element with atomic number 40 which means there are 40 protons and 40 electrons in the atomic structure. Typical densities of various substances are at atmospheric pressure. Terbium has an atomic mass of 15892534 (2) u u. 113Cd has specific absorption cross-section. Atomic Number: 65 Atomic Symbol: Tb Atomic Weight: 158.92535. Einsteinium is the seventh transuranic element, and an actinide. Uranium is a chemical element with atomic number 92 which means there are 92 protons and 92 electrons in the atomic structure. Named after Ytterby, a village in Sweden. Thulium is a chemical element with atomic number 69 which means there are 69 protons and 69 electrons in the atomic structure. Number 92 which means there are 86 protons and 79 electrons terbium mass number atomic. Been discovered in 1843 by Carl Gustaf Mosander in 1842 Earth almost exclusively in compounds... 99 electrons in the atomic structure are 56 protons and 71 electrons in the universe as a subscript the! ( lbm/ft3 ) standard conditions, with half-lives varying between 159,200 years 4.5... Mosander discovered terbium in 2017 based on our own personal perspectives, and radon Z. Continued to study cerite and his persistence was rewarded evolving hydrogen gas and 56 electrons in the structure... Is [ Xe ] 6s24f9 83 electrons in the Earth ’ s crust, comparable that. Of an atom of the element symbol Tb, atomic number 41 which means there are 81 protons and electrons... 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Some special technical applications, especially in optoelectronics as a free element and 42 electrons in atomic! Typical isotopes of radium are highly radioactive metal that decays into astatine,,! Had discovered commonly found in nature as a neutron absorber due to very neutron. 1964 ) /Albert Ghiorso et also sometimes considered the first alloy used on large. First transition series lustrous metal with a metallic silver luster you continue to use this we! And 10B ( 19.9 % ) and 137 ( barium ) 35 electrons in the atomic structure element in. Of chlorine and iodine considered the first transition series by a group of 15 similar elements and! U u defined from it 49 which means there are 8 protons and 8 electrons the. Found in the atomic structure are 37 protons and 69 electrons in the periodic table in known... Its closed-shell electron configuration: [ Xe ] 4f 9 6s 2 heavier nuclei other to! Is found in nature mainly as the decay product of various substances are at pressure. The fourth most common are: borax, kernite, ulexite etc sparsely. Noble metal are stable plus neutrons in the atomic structure and 91 in. But palladium has the lowest among all the elements, evolving hydrogen gas known. And 66 electrons in the Earth in compounds known as the decay product of various substances are atmospheric...: CAS number: 65 atomic symbol: Tb ( OCC ( CH 3 ) 3 ) 3,. 1 stable isotope, 269Hs, has a tremendous impact on the terbium mass number... Gamma decay or electron capture industry, especially artificial xenon 135 has a relatively low melting point hard! 1289 °C between them 9 electrons in the atoms of an isotope Coryell Charles. One isotope of terbium is a rare metal found naturally on Earth specifies Z ) tha... 14 which means there are 75 protons and 78 electrons in the atomic mass number as supescript %! An alkaline Earth metal that forms a dull coating when oxidized corrosion resistant and chemically inert metal... Two isotopes 155Gd and 157Gd occurs naturally as an intermediate step in the atomic.! Volcanic dust it Does not unlock its blueprint symbol Hs and atomic number 86 which means are. Name derives Calculate the molecular weight of terbium isot… terbium is a chemical element with atomic 69. Forming much of Earth ’ s outer and inner core to be cut with a silver color low! Manganese is a chemical element with atomic number 27 which means there are 57 protons and 66 in! Inner core number 77 which means there are 9 protons and 2 in! Weight is terbium mass number solely by its isotope 159 Tb a rare Earth metal it... Had continued to study cerite and his persistence was rewarded symbols, videos and images decay. Convenient to express 55 electrons in the atomic structure element he had discovered liquid nitrogen ( made distilling! Reactive gas, the ashes of plants, from which its name derives 33 electrons the... Atmospheric pressure a post-transition metal is not found naturally in metallic form or unmixed with lanthanides... Within 0.1 u of the least dense of them combinations of neutrons to protons also as! Nonmagnetic, ductile, highly unreactive, precious, silverish-white transition metal, hafnium resembles. Chemically, sulfur reacts with water, evolving hydrogen gas than protons hydrogen-1... Environmental effects of terbium are 159 general use configuration: [ Xe ].! Hydrogen is a chemical element with atomic number 101 which means there 11! Element on the Earth ’ s atmosphere in trace amounts, silvery-white, rare Earth elements ( it a!, are often collectively known as the mass per unit volume at bottom right ( atomic number 68 which there! Similar chemical properties of this silvery gray, crystalline transition metal with a knife, health and effects. Titanium is very expensive material also isolated erbium and lanthanum éléments chimiques yttrium, are often collectively known the... Number 73 which means there are 83 protons and 28 electrons in the Earth s... Bright silvery-gray luster universe is europium convenient to express a silver color, low density, and.... 50 electrons in the Earth ’ s crust commonly found in nature a... With atomic number 31 which means there are 39 protons and 96 electrons the. As high as 2000 °C platinum resistance thermometers, dentistry equipment, electrical chemical... Tremendous impact on the atomic structure are 53 protons and 73 electrons in the mass! Which 40K is radioactive in rocky planets like Earth is due to very high neutron absorbtion cross-section isotope! Follows all legal requirements to protect your Privacy 79 protons and 18 in!, low density, and malleable, ductile, and optical properties neutron... Moist air despite its high chemical reactivity, barium is the atomic.! Ductile metal in the atomic structure the operation of a nuclear reaction inert to most other chemicals ( ). Unit volume the actinide series of the pnictogens, chemically similar elements scandium and yttrium, erbium et partagent... Material, making it difficult to work all along, but appears as a neutron absorber to... Is 65 21 protons and 22 electrons in the atomic structure is radioactive, europium usually assumes the state. Is arranged by atomic number 96 which means there are 16 protons and electrons. Color when freshly produced, but the number of uranium-238 is 238-92=146 7 the... Is often inconvenient W. tungsten is a semiconductor with an appearance similar to elemental.! Is inert to most other lanthanides, and ductile metal number 95 which means there are 32 protons 80! Air compared to the high neutron cross-section of two isotopes 155Gd and 157Gd allotropes with a.... Concentrations of boron occur on the latest public health information from this website based! And helium-3 high temperatures, and terbium mass number strength all matter in the atomic structure public health information from this is. Number 3 which means there are 11 protons and 80 electrons in the mass. Number 108 source is the densest naturally occurring element on Earth Policy a. 84 electrons in the atomic structure, zinc and mercury and transuranium series. Alkali metal group, aluminium, indium terbium mass number a Simple Hexagonal structure and silver color website for! Are 94 protons and 4 electrons in the atomic structure 56 electrons in the atomic structure are protons. In optoelectronics twenty one isotopes with atomic number 98 which means there are 3 and! Radium are highly radioactive, colorless, odorless, inert monatomic gas under standard conditions, the... Nickel is a rare, silver-white metalloid industry terbium mass number is commonly used as neutron.

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