## 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 | 1s ^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6} 3d^{3} 4s^{2} |

Density [g/cm^{3}] | 6.11 |

State | Solid |

Melting point [°C] | 1900 |

Boiling point [°C] | 3380 |

Atomic radius [pm] | 171 |

Covalent radius [pm] | 125 |

Thermal conductivity [W m^{-1}K^{-1}] | 30.7 |

Heat capacity [J K^{-1}g^{-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 · 10 ^{6} |

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 |