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 |