Latin nameVanadium
English nameVanadium
chemical symbolV
atomic number23
relative atomic mass50,9415
classificationtransition metals
discovery year1830
discovererN. G. Sefström
melting point [°C]1890
boiling point [°C]3407
density [g cm-3]5,98
density at melting point [g cm-3]5,5
electronegativity [Pauling]1,63
oxidation statesII, III, IV, V
electron configuration[Ar]3d3 4s2
atomic radius [pm]171
covalent radius [pm]125
specific heat [J g-1K-1]0,49
heat of fusion [kJ mol-1]20,9
thermal conductivity [W m-1 K-1]30,7
el. conductivity [S m-1]4.106
1. ionizing potential [eV]6,7463
2. ionizing potential [eV]14,65
3. ionizing potential [eV]29,31
Mohs hardness7
Vickers hardness [MPa]628
Brinell hardness [MPa]628
shear modulus [GPa]47
Young's modulus [GPa]128
point of superconductivity [K]5,4
state at normal conditionssolid