Palladium vs Astatine
| Property | Pd Palladium | At Astatine |
|---|---|---|
| Atomic number | 46 | 85 |
| Symbol | Pd | At |
| Name | Palladium | Astatine |
| Category | transition-metal | halogen |
| Standard Atomic Weight | 106.42 u | 210 u |
| Period | 5 | 6 |
| Group | 10 | 17 |
| Block | d | p |
| Phase at STP | solid | solid |
| Electron configuration | [Kr]4d10 | [Xe]6s24f145d106p5 |
| Oxidation states | [1, 2, 3, 4, 5] | [-1, 1, 3, 5, 7] |
| Electronegativity (Pauling) | 2.2 | 2.2 |
| Electron affinity | 0.557 eV | 2.391 eV |
| Density | 1.200000e+4 kg/m³ | 7000 kg/m³ |
| Melting point | 1554.9 °C | 301.85 °C |
| Boiling point | 2962.85 °C | -273.15 °C |
| Discovery year | 1803 | 1940 |