Precious Metal Elements
Palladium［ Atomic number46 Atomic weight106.42 ］
Able to absorb large amounts of hydrogen, so perfect for use with high purity hydrogen generators.
I just love sucking up hydrogen, but it’s fattening and bad for the skin so everyone tells me to restrain myself.
| Pd | Palladium | |
|---|---|---|
| Atomic number | 46 | |
| Atomic weight | 106.42 | |
| Isotope | 102Pd, 104Pd, 105Pd, 106Pd, 108Pd, 110Pd | |
| Crystal Structure | fcc | |
| Metallicity | Trans.Metal | |
| Shell | 2,8,18,18 | |
| Filling Orbital | 4d10 | |
| Oxidation States | 2,4 | |
| Atomic Radius | Å | 1.37 |
| Covalent Radius | Å | 1.38 |
| Atomic Volume | cm3/mol | 8.9 |
| Density at 293K | g/cm3 | 12.02 |
| Melting Point | ℃ | 1554.8 |
| Boiling Point | ℃ | 2964 |
| Specific Heat | J/gK | 0.24 |
| Heat of Fusion | kJ/mol | 17.8 |
| Heat of Vaporization | kJ/mol | 357.0 |
| Thermal Conductivity at 273K | W/mK | 72 |
| Specific Resistance at 273K | 10-6 Ωcm | 10.0 |
| Coefficient of Linear expansion at 293K | 10-6 K-1 | 11.8 |
| Ionization Potential | V | 8.3369 |
| 2nd Ionization Potential | V | 19.43 |
| Electron Affinity | eV | 0.562 |
| Electronegativity | 2.20 | |
| Discovery | year | 1803 |