Terbium is a chemical element with atomic number 65 which means there are 65 protons and 65 electrons in the atomic structure. Isotopes of rhodium. Terbium atomic radius is 225 pm, while it's covalent radius is N/A. The table below shows the abundance of Terbium in Universe, Sun, Meteorites, » Boiling Point » Melting Point » Abundant » State at STP » Discovery Year. edges in Periodic Table, Electronic Main purpose of this project is to help the public learn some interesting and important information about the peaceful uses of nuclear energy. The chemical symbol for Terbium is Tb. It is a silvery soft and quire reactive metal which forms its oxide when contacting with air. Atomic Number: 65. Atomic Mass: 158.92534 amu. The unit of measure for mass is the atomic mass unit (amu). Atomic weight of Terbium is 158.92535 u or g/mol. below for the Electrical properties of Terbium, Refer to table below for Thermal properties of Terbium. Its atomic number is 65 and is represented by the symbol Tb. Discovered by Mosander in 1843. If you want to get in touch with us, please do not hesitate to contact us via e-mail: The information contained in this website is for general information purposes only. Terbium is a chemical element with symbol Tb and atomic number 65. Cerium, Praseodymium, Neodymium, Promethium, Samarium, Europium, Gadolinium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium, Lutetium, Thorium, Protactinium, Uranium, Neptunium, Plutonium, Americium, Curium, Berkelium, Californium, Einsteinium, Fermium, Mendelevium, Nobelium and  Lawrencium are the elements in the same block. SchoolMyKids.com is part of the ParentsNKids Network. Named for the village of Ytterby, Sweden. Twenty one isotopes with atomic masses ranging from 145 to 165 are recognized. Atomic Radius: 2.51Å; Atomic Volume: 19.2cm 3 /mol; Covalent Radius: 1.59Å; Cross Section (Thermal Neutron Capture) σ a /barns: 23.4; Crystal Structure: Hexagonal; Electron Configuration: 1s 2 2s 2 p 6 3s 2 p 6 d 10 4s 2 p 6 d 10 f 9 5s 2 p 6 6s 2; Electrons per Energy Level: 2,8,18,27,8,2 Shell Model; Ionic Radius: 0.923Å; Filling Orbital: 4f 9; Number of Electrons … Terbium is used as a dopant in calcium fluoride, calcium tungstate and strontium molybdate which are used in solid-state devices. It melts at 1356 °C and boils at 3123 °C. notation can become lengthy and so an abbreviated notation is used.This is important as it is Terbium exhibits oxidation states +3 and sometimes +2, when it reacts with non-metals (and also  a few post-transition metals) like hydrogen, boron, sulfur, selenium, tellurium and nitrogen to form binary compounds such as TbH2, TbH3, TbB2, Tb2S3, TbSe, TbTe and TbN. Simple Hexagonal structure and Silver color. Under elevated temperatures, terbium reacts with oxygen to form terbium oxide, exhibiting its +3 and +4 oxidation states, in the form of Tb2O3 and Tb4O7. The Cookies Statement is part of our Privacy Policy. Copyright 2020 Nuclear Power for Everybody | All Rights Reserved | Powered by, Interaction of Beta Radiation with Matter, Interaction of Gamma Radiation with Matter, Neodymium – Atomic Number – Atomic Mass – Density of Neodymium, Thallium – Atomic Number – Atomic Mass – Density of Thallium, Reactor Dynamics – Quiz – Test your Knowledge, Grossi highlights IAEA's activities for UN General Assembly, US Senate committee includes uranium reserve in FY2021 allocations, CGN's Hualong One design certified for European use. It occurs in its natural form on our planet and can be extracted from various minerals like euxenites, but it can also be produced artificially. for 1+3, enter 4. It is also used in low-energy light bulbs and mercury vapour lamps. Group Number: none. Atomic Know everything about Terbium Facts, Physical Properties, Chemical 225 pm Name: Terbium. Tb  has only one naturally occurring isotope 159Tb. Terbium boiling point is 3041 °C. Atomic Number of Terbium. Diary store providers multiple free services with 100% confidentiality such as e-Diary, Education, Family & Friends, Inspiration, Health & Beauty and Tour. E.g. Atomic Number. Know everything about Terbium Facts, Physical Properties, Chemical Properties, Electronic configuration, Atomic and Crystal Structure. All of the remaining radioactive isotopes have half-lives that are less than 6.907 days, and the majority of these have half-lives that are less than … This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. One atomic mass unit is equal to 1.66 x 10-24 grams. It  is also helpful in shortening the duration of exposure to X-ray scanning without compromising with the quality of image in the X-ray film. Terbium is a member of the lanthanide or "rare earth" group of elements. Caesium, Barium, Lanthanum,  Cerium, Praseodymium, Neodymium, Promethium, Samarium, Europium, Gadolinium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium, Lutetium, Hafnium, Tantalum, Tungsten, Rhenium, Osmium, Iridium, Platinum, Gold, Mercury, Thallium, Lead, Bismuth, Polonium, Astatine and Radon. Shell Structure of Terbium - Electrons per energy [Xe] 4f9 6s2. Lattice Constants (a, b and c). Terbium Basic Facts . and period number (row). Other methods of isolation are possible. All rights reserved. This website does not use any proprietary data. 65. Two crystal modifications exist, with a transformation temperature of 1289°C. the electronic shell structure is [2, 8, 18, 27, 8, 2] with Atomic Term Symbol (Quantum Numbers) 6H15/2. Atomic Number: 65 Atomic Symbol: Tb Atomic Weight: 158.92535 Melting Point : 2,473 F (1,356 C) Boiling Point : 5,846 F (3,230 C) Word origin : Terbium was named for the village of … Refer to Terbium is used in compounds with other elements in such industries as electronics, medicine, chemical industry, and so on.

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