Hydrogen vs Palladium
| Property | H Hydrogen | Pd Palladium |
|---|---|---|
| Atomic number | 1 | 46 |
| Symbol | H | Pd |
| Name | Hydrogen | Palladium |
| Category | nonmetal | transition-metal |
| Standard Atomic Weight | 1.007975 u | 106.42 u |
| Period | 1 | 5 |
| Group | 1 | 10 |
| Block | s | d |
| Phase at STP | gas | solid |
| Electron configuration | 1s1 | [Kr]4d10 |
| Oxidation states | [-1, 1] | [1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | 2.2 | 2.2 |
| Electron affinity | 0.75419 eV | 0.557 eV |
| Density | 0.08988 kg/m³ | 1.200000e+4 kg/m³ |
| Melting point | -259.34 °C | 1554.9 °C |
| Boiling point | -252.87 °C | 2962.85 °C |
| Discovery year | 1766 | 1803 |