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