Palladium vs Tantalum
| Property | Pd Palladium | Ta Tantalum |
|---|---|---|
| Atomic number | 46 | 73 |
| Symbol | Pd | Ta |
| Name | Palladium | Tantalum |
| Category | transition-metal | transition-metal |
| Standard Atomic Weight | 106.42 u | 180.94788 u |
| Period | 5 | 6 |
| Group | 10 | 5 |
| Block | d | s |
| Phase at STP | solid | solid |
| Electron configuration | [Kr]4d10 | [Xe]6s24f145d3 |
| Oxidation states | [1, 2, 3, 4, 5] | [-3, -1, 0, 1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | 2.2 | 1.5 |
| Electron affinity | 0.557 eV | 0.322 eV |
| Density | 1.200000e+4 kg/m³ | 1.640000e+4 kg/m³ |
| Melting point | 1554.9 °C | 3016.85 °C |
| Boiling point | 2962.85 °C | 5457.85 °C |
| Discovery year | 1803 | 1802 |