Vanadium

Symbol | V
Latin name | Vanadium
Atomic number | 23
Period | 4
Element category | Transition elements
Relative atomic mass | 50.9415
Group | V.B
Electronegativity | 1.6
Oxidation numbers | 2, 3, 4, 5
Electron configuration | 1s2 2s2 2p6 3s2 3p6 3d3 4s2
Density [g/cm3] | 6.11
State | Solid
Melting point [°C] | 1900
Boiling point [°C] | 3380
Atomic radius [pm] | 171
Covalent radius [pm] | 125
Thermal conductivity [W m-1K-1] | 30.7
Heat capacity [J K-1g-1] | 0.489
Discovery | 1801
Hardness [Mohs scale] | 6-7
Vickers hardness [MPa] | 628
Brinell hardness [MPa] | 628
Young's modulus [GPa] | 128
Electrical conductivity [S m-1] | 4 · 106
Shear modulus [GPa] | 47
1.st ionization energy [eV] | 6.7463
2.nd ionization energy [eV] | 14.65
3.rd ionization energy [eV] | 29.31
Stable isotopes | 2
Unstable isotopes | 5