Calcium vs Palladium
| Property | Ca Calcium | Pd Palladium |
|---|---|---|
| Atomic number | 20 | 46 |
| Symbol | Ca | Pd |
| Name | Calcium | Palladium |
| Category | alkaline-earth-metal | transition-metal |
| Standard Atomic Weight | 40.078 u | 106.42 u |
| Period | 4 | 5 |
| Group | 2 | 10 |
| Block | s | d |
| Phase at STP | solid | solid |
| Electron configuration | [Ar]4s2 | [Kr]4d10 |
| Oxidation states | [1, 2] | [1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | 1 | 2.2 |
| Electron affinity | 0.0245 eV | 0.557 eV |
| Density | 1540 kg/m³ | 1.200000e+4 kg/m³ |
| Melting point | 841.85 °C | 1554.9 °C |
| Boiling point | 1483.85 °C | 2962.85 °C |
| Discovery year | 1808 | 1803 |