Palladium

Symbol | Pd
Latin name | Palladium
Atomic number | 46
Period | 5
Element category | Transition elements
Relative atomic mass | 106.42
Group | VIII.B
Electronegativity | 2.2
Oxidation numbers | 2, 4
Electron configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s0
Density [g/cm3] | 12.02
State | Solid
Melting point [°C] | 1554
Boiling point [°C] | 3980
Atomic radius [pm] | 169
Covalent radius [pm] | 131
Thermal conductivity [W m-1K-1] | 71.8
Heat capacity [J K-1g-1] | 0.244
Discovery | 1803
Hardness [Mohs scale] | 4.8
Vickers hardness [MPa] | 461
Brinell hardness [MPa] | 37.3
Young's modulus [GPa] | 121
Electrical conductivity [S m-1] | 107
Shear modulus [GPa] | 44
1.st ionization energy [eV] | 8.3369
2.nd ionization energy [eV] | 19.63
3.rd ionization energy [eV] | 32.93
Stable isotopes | 6
Unstable isotopes | 15