## Cadmium |

Symbol | Cd |
---|---|

Latin name | Cadmium |

Atomic number | 48 |

Period | 5 |

Element category | Transition elements |

Relative atomic mass | 112.411 |

Group | II.B |

Electronegativity | 1.7 |

Oxidation numbers | 2 |

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

Density [g/cm^{3}] | 8.65 |

State | Solid |

Melting point [°C] | 321.108 |

Boiling point [°C] | 765 |

Atomic radius [pm] | 161 |

Covalent radius [pm] | 148 |

Thermal conductivity [W m^{-1}K^{-1}] | 96.8 |

Heat capacity [J K^{-1}g^{-1}] | 0.233 |

Discovery | 1817 |

Hardness [Mohs scale] | 2.0 |

Brinell hardness [MPa] | 203 |

Young's modulus [GPa] | 50 |

Electrical conductivity [S m^{-1}] | 4.4 · 10 ^{7} |

Shear modulus [GPa] | 19 |

1.st ionization energy [eV] | 8.9937 |

2.nd ionization energy [eV] | 16.908 |

3.rd ionization energy [eV] | 37.48 |

Stable isotopes | 5 |

Unstable isotopes | 14 |