Vanadium Pípè / v ə ˈ n eɪ d i ə m / (və-NAY -dee-əm Ìhànsójú blue-silver-grey metal Ìwúwo átọ̀mù A r, std (V) 50.9415(1) [1] Vanadium ní orí tábìlì àyè Nọ́mbà átọ̀mù (Z ) 23 Ẹgbẹ́ group 5 Àyè àyè 4 Àdìpọ̀ Àdìpọ̀-d Ẹ̀ka ẹ́límẹ́ntì Transition metal Ìtò ẹ̀lẹ́ktrọ́nù [Ar ] 3d3 4s2 Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan 2, 8, 11, 2 Àwọn ohun ìní ara Ìfarahàn at STP solid Ìgbà ìyọ́ 2183 K (1910 °C, 3470 °F) Ígbà ìhó 3680 K (3407 °C, 6165 °F) Kíki (near r.t. ) 6.0 g/cm3 when liquid (at m.p. ) 5.5 g/cm3 Heat of fusion 21.5 kJ/mol Heat of 459 kJ/mol Molar heat capacity 24.89 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 Electronegativity Pauling scale: 1.63 energies Atomic radius empirical: 134 pm Covalent radius 153±8 pm Color lines in a spectral range Spectral lines of vanadiumOther properties Natural occurrence primordial Crystal structure (bcc) Speed of sound thin rod 4560 m/s (at 20 °C) Thermal expansion 8.4 µm/(m·K) (at 25 °C) Thermal conductivity 30.7 W/(m·K) Electrical resistivity 197 n Ω·m (at 20 °C) Magnetic ordering paramagnetic Young's modulus 128 GPa Shear modulus 47 GPa Bulk modulus 160 GPa Poisson ratio 0.37 Mohs hardness 6.7 CAS Number 7440-62-2 Main isotopes of vanadium Àdàkọ:Category-inline references 
