آرنۍ غورنۍ پرانيستل

تېربيوم

(له Terbium نه مخ گرځېدلی)

تېربيوم (په انگرېزي: Terbium) له کیمیاوي عناصرو څخه یو دی چې په تناوبي جدول کې د Tb سمبول او ۶۵ اتمي شمېرې په وسیله ښودل شوی دی.

Terbium,  65Tb
Terbium-2.jpg
عمومي خواص
Pronunciation /ˈtɜrbiəm/
TUR-bee-əm
Appearance silvery white
Terbium په دوراني جدول کې
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oxygen (diatomic nonmetal)
Fluorine (diatomic nonmetal)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (polyatomic nonmetal)
Sulfur (polyatomic nonmetal)
Chlorine (diatomic nonmetal)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (polyatomic nonmetal)
Bromine (diatomic nonmetal)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (diatomic nonmetal)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanide)
Cerium (lanthanide)
Praseodymium (lanthanide)
Neodymium (lanthanide)
Promethium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Dysprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Thulium (lanthanide)
Ytterbium (lanthanide)
Lutetium (lanthanide)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (metalloid)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinide)
Thorium (actinide)
Protactinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Americium (actinide)
Curium (actinide)
Berkelium (actinide)
Californium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrencium (actinide)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Nihonium (unknown chemical properties)
Flerovium (unknown chemical properties)
Moscovium (unknown chemical properties)
Livermorium (unknown chemical properties)
Tennessine (unknown chemical properties)
Oganesson (unknown chemical properties)


Tb

Bk
gadoliniumterbiumdysprosium
اټومي شمیره (Z) 65
گروپ, پیریود group n/a, period 6
بلاک f-block
Element category   lanthanide
معياري اټومي وزن (Ar) کينډۍ:Val[۱]
Electron configuration [Xe] 4f9 6s2
Electrons per shell
2, 8, 18, 27, 8, 2
فزیکي خواص
حالت (at STP) جامد
دويلې کيدو ټکى 1629 K ​(1356 °C, ​2473 °F)
يشنا ټکی 3396 K ​(3123 °C, ​5653 °F)
Density near r.t. 8.23 g/cm3
when liquid, at m.p. 7.65 g/cm3
Heat of fusion 10.15 kJ/mol
Heat of vaporization 391 kJ/mol
Molar heat capacity 28.91 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1789 1979 (2201) (2505) (2913) (3491)
اټومي خواص
Oxidation states 4, 3, 2, 1 ​(a weakly basic oxide)
Electronegativity Pauling scale: 1.2 (?)
Ionization energies
  • 1st: 565.8 kJ/mol
  • 2nd: 1110 kJ/mol
  • 3rd: 2114 kJ/mol
Atomic radius empirical: 177 pm
Covalent radius 194±5 pm
Miscellanea
Crystal structurehexagonal close-packed (hcp)
Hexagonal close packed crystal structure for terbium
Speed of sound thin rod 2620 m/s (at 20 °C)
Thermal expansion at r.t. α, poly: 10.3 µm/(m·K)
د تودوخې تېرېدنه 11.1 W/(m·K)
Electrical resistivity α, poly: 1.150 µΩ·m (at r.t.)
Magnetic ordering paramagnetic at 300 K
Magnetic susceptibility (χmol) +146,000·10−6 cm3/mol (273 K)[۲]
Young's modulus α form: 55.7 GPa
Shear modulus α form: 22.1 GPa
Bulk modulus α form: 38.7 GPa
Poisson ratio α form: 0.261
Vickers hardness 450–865 MPa
Brinell hardness 675–1200 MPa
CAS Number 7440-27-9
History
Naming after Ytterby (Sweden), where it was mined
Discovery and first isolation Carl Gustaf Mosander (1842)
Main isotopes of terbium
آيسو­ټوپ Abun­dance نیم ژوند (t1/2) Decay mode Pro­duct
157Tb syn 71 y ε 157Gd

کينډۍ:Infobox element/isotopes decay2

159Tb 100% stable
| references | in Wikidata

مشخصاتسمول

تاریخچهسمول

مرکباتسمول

د استعمال ځایونهسمول

سرچينېسمول

  1. Meija, J.; Coplen, T. B. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure Appl. Chem. 88 (3): 265-91. doi:10.1515/pac-2015-0305. https://www.degruyter.com/downloadpdf/j/pac.2016.88.issue-3/pac-2015-0305/pac-2015-0305.xml. 
  2. Weast, Robert (1984). [اصطلاحي تېروتنه: د ناپېژندلې ليکنښې لوښه "۱". CRC, Handbook of Chemistry and Physics]. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4. 

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