## Neodymium |

Symbol | Nd |
---|---|

Latin name | Neodymium |

Atomic number | 60 |

Period | 6 |

Element category | Inner transition elements |

Relative atomic mass | 144.24 |

Group | III.B |

Electronegativity | 1.2 |

Oxidation numbers | 3 |

Electron configuration | 1s ^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6} 3d^{10} 4s^{2} 4p^{6} 4d^{10} 5s^{2} 5p^{6} 4f^{4} 5d^{0} 6s^{2} |

Density [g/cm^{3}] | 7.003 |

State | Solid |

Melting point [°C] | 1021 |

Boiling point [°C] | 3068 |

Atomic radius [pm] | 206 |

Thermal conductivity [W m^{-1}K^{-1}] | 16.5 |

Heat capacity [J K^{-1}g^{-1}] | 0.19 |

Discovery | 1885 |

Vickers hardness [MPa] | 343 |

Brinell hardness [MPa] | 265 |

Young's modulus [GPa] | 41 |

Electrical conductivity [S m^{-1}] | 1.6 · 10 ^{6} |

Shear modulus [GPa] | 16 |

1.st ionization energy [eV] | 5.525 |

2.nd ionization energy [eV] | 10.727 |

3.rd ionization energy [eV] | 22.076 |

Stable isotopes | 7 |

Unstable isotopes | 10 |