Palladium (Pd)
Palladium (Pd) is element 46 of the periodic table, a transition metal in period 5 and group 10. Its standard atomic weight is 106.42, so one mole of palladium atoms has a mass of 106.42 g. At room temperature it is a solid; it melts at 1554.9 °C and boils at 2962.85 °C.
| Atomic number | 46 |
|---|---|
| Symbol | Pd |
| Standard atomic weight | 106.42 |
| Molar mass | 106.42 g/mol |
| Category | Transition metal |
| Group | 10 |
| Period | 5 |
| Block | d-block |
| Electron configuration | [Kr] 4d10 |
| Oxidation states | +3, +2 |
| Electronegativity (Pauling) | 2.2 |
| Atomic radius (van der Waals) | 202 pm |
| First ionisation energy | 8.337 eV (804.4 kJ/mol) |
| Electron affinity | 0.557 eV |
| State at room temperature | Solid |
| Melting point | 1828.05 K (1554.9 °C) |
| Boiling point | 3236 K (2962.85 °C) |
| Density | 12 g/cm³ |
| Discovered | 1803 |
Group 10
Calculate with Palladium
Atomic weight: IUPAC CIAAW standard atomic weight. Other properties: PubChem (U.S. National Library of Medicine, public domain). Values such as melting point and radius depend on how they were measured; check a data book for precise work.