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 | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 |
| Density [g/cm3] | 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-1K-1] | 96.8 |
| Heat capacity [J K-1g-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 · 107 |
| 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 |