## Plutonium |

Symbol | Pu |
---|---|

Latin name | Plutonium |

Atomic number | 94 |

Period | 7 |

Element category | Inner transition elements |

Relative atomic mass | 244.0642 |

Group | III.B |

Electronegativity | 1.3 |

Oxidation numbers | 3, 4, 5, 6 |

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^{14} 5d^{10} 6s^{2} 6p^{6} 5f^{6} 6d^{0} 7s^{2} |

Density [g/cm^{3}] | 19.86 |

State | Solid |

Melting point [°C] | 641 |

Boiling point [°C] | 3232 |

Thermal conductivity [W m^{-1}K^{-1}] | 6.74 |

Heat capacity [J K^{-1}g^{-1}] | 0.13 |

Discovery | 1940 |

Young's modulus [GPa] | 96 |

Electrical conductivity [S m^{-1}] | 6.7 · 10 ^{5} |

Shear modulus [GPa] | 43 |

1.st ionization energy [eV] | 6.06 |

Stable isotopes | 0 |

Unstable isotopes | 16 |