آرنۍ غورنۍ پرانيستل

تانتاليوم

(له Tantalum نه مخ گرځېدلی)

تانتاليوم (په انگرېزي: Tantalum) له کیمیاوي عناصرو څخه یو دی چې په تناوبي جدول کې د Ta سمبول او v۳ اتمي شمېرې په وسیله ښودل شوی دی.

Tantalum,  73Ta
Tantalum single crystal and 1cm3 cube.jpg
Tantalum spectrum visible.png
Spectral lines of tantalum
عمومي خواص
Pronunciation /ˈtæntələm/
TAN-təl-əm
previously:  /tænˈtæliəm/
tan-TAL-ee-əm
Appearance gray blue
Tantalum 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)
Nb

Ta

Db
hafniumtantalumtungsten
اټومي شمیره (Z) 73
گروپ, پیریود group 5, period 6
بلاک d-block
Element category   transition metal
معياري اټومي وزن (Ar) کينډۍ:Val[۱]
Electron configuration [Xe] 4f14 5d3 6s2
Electrons per shell
2, 8, 18, 32, 11, 2
فزیکي خواص
حالت (at STP) جامد
دويلې کيدو ټکى 3290 K ​(3017 °C, ​5463 °F)
يشنا ټکی 5731 K ​(5458 °C, ​9856 °F)
Density near r.t. 16.69 g/cm3
when liquid, at m.p. 15 g/cm3
Heat of fusion 36.57 kJ/mol
Heat of vaporization 753 kJ/mol
Molar heat capacity 25.36 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 3297 3597 3957 4395 4939 5634
اټومي خواص
Oxidation states 5, 4, 3, 2, 1, −1, −3 ​(a mildly acidic oxide)
Electronegativity Pauling scale: 1.5
Ionization energies
  • 1st: 761 kJ/mol
  • 2nd: 1500 kJ/mol
Atomic radius empirical: 146 pm
Covalent radius 170±8 pm
Miscellanea
Crystal structurebody-centered cubic (bcc)[۲]
Body-centered cubic crystal structure for tantalum

α-Ta
Crystal structuretetragonal[۲]
Tetragonal crystal structure for tantalum

β-Ta
Speed of sound thin rod 3400 m/s (at 20 °C)
Thermal expansion 6.3 µm/(m·K) (at 25 °C)
د تودوخې تېرېدنه 57.5 W/(m·K)
Electrical resistivity 131 nΩ·m (at 20 °C)
Magnetic ordering paramagnetic[۳]
Magnetic susceptibility (χmol) +154.0·10−6 cm3/mol (293 K)[۴]
Young's modulus 186 GPa
Shear modulus 69 GPa
Bulk modulus 200 GPa
Poisson ratio 0.34
Mohs hardness 6.5
Vickers hardness 870–1200 MPa
Brinell hardness 440–3430 MPa
CAS Number 7440-25-7
History
Discovery Anders Gustaf Ekeberg (1802)
Recognized as a distinct element by Heinrich Rose (1844)
Main isotopes of tantalum
آيسو­ټوپ Abun­dance نیم ژوند (t1/2) Decay mode Pro­duct
177Ta syn 56.56 h ε 177Hf
178Ta syn 2.36 h ε 178Hf
179Ta syn 1.82 y ε 179Hf

کينډۍ:Infobox element/isotopes decay2

180mTa 0.012% stable
181Ta 99.988% stable
182Ta syn 114.43 d β 182W
183Ta syn 5.1 d β 183W
| 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. ۲٫۰ ۲٫۱ Moseley, P. T.; Seabrook, C. J. (1973). [اصطلاحي تېروتنه: د ناپېژندلې ليکنښې لوښه "۱". "The crystal structure of β-tantalum"]. Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry 29 (5): 1170–1171. doi:10.1107/S0567740873004140. 
  3. Lide, D. R., ed (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5. http://web.archive.org/web/20110303222309/http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf. 
  4. 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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