Vanadium, 23V
Vanadium-bar.jpg
Vanadium
Pípè /vəˈndiəm/ (və-NAY-dee-əm)
Ìhànsójúblue-silver-grey metal
Ìwúwo átọ̀mù Ar, std(V)50.9415(1)[1]
Vanadium ní orí tábìlì àyè
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
-

V

Nb
titaniumvanadiumchromium
Nọ́mbà átọ̀mù (Z)23
Ẹgbẹ́group 5
Àyèàyè 4
Àdìpọ̀Àdìpọ̀-d
Ẹ̀ka ẹ́límẹ́ntì  Transition metal
Ìtò ẹ̀lẹ́ktrọ́nù[Ar] 3d3 4s2
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan2, 8, 11, 2
Àwọn ohun ìní ara
Ìfarahàn at STPsolid
Ìgbà ìyọ́2183 K ​(1910 °C, ​3470 °F)
Ígbà ìhó3680 K ​(3407 °C, ​6165 °F)
Kíki (near r.t.)6.0 g/cm3
when liquid (at m.p.)5.5 g/cm3
Heat of fusion21.5 kJ/mol
Heat of 459 kJ/mol
Molar heat capacity24.89 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 2101 2289 2523 2814 3187 3679
Atomic properties
Oxidation states−3, −1, 0, +1, +2, +3, +4, +5 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
ElectronegativityPauling scale: 1.63
energies
Atomic radiusempirical: 134 pm
Covalent radius153±8 pm
Color lines in a spectral range
Spectral lines of vanadium
Other properties
Natural occurrenceprimordial
Crystal structure ​(bcc)
Body-centered cubic crystal structure for vanadium
Speed of sound thin rod4560 m/s (at 20 °C)
Thermal expansion8.4 µm/(m·K) (at 25 °C)
Thermal conductivity30.7 W/(m·K)
Electrical resistivity197 n Ω·m (at 20 °C)
Magnetic orderingparamagnetic
Young's modulus128 GPa
Shear modulus47 GPa
Bulk modulus160 GPa
Poisson ratio0.37
Mohs hardness6.7
CAS Number7440-62-2
Main isotopes of vanadium
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
48V syn 15.9735 d ε+β+ 4.0123 48Ti
49V syn 330 d ε 0.6019 49Ti
50V 0.25% 1.5×1017y ε 2.2083 50Ti
β 1.0369 50Cr
51V 99.75% 51V is stable with 28 neutrons
Àdàkọ:Category-inline
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ItokasiÀtúnṣe

  1. Meija, Juris; Coplen, Tyler B.; Berglund, Michael; Brand, Willi A.; De Bièvre, Paul; Gröning, Manfred; Holden, Norman E.; Irrgeher, Johanna et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry 88 (3): 265–91. doi:10.1515/pac-2015-0305.