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 |