Ruthenium vs Silver
| Property | Ru Ruthenium | Ag Silver |
|---|---|---|
| Atomic number | 44 | 47 |
| Symbol | Ru | Ag |
| Name | Ruthenium | Silver |
| Category | transition-metal | transition-metal |
| Standard Atomic Weight | 101.07 u | 107.8682 u |
| Period | 5 | 5 |
| Group | 8 | 11 |
| Block | s | s |
| Phase at STP | solid | solid |
| Electron configuration | [Kr]5s14d7 | [Kr]5s14d10 |
| Oxidation states | [-4, -2, 1, 2, 3, 4, 5, 6, 7, 8] | [-2, -1, 0, 1, 2, 3] |
| Electronegativity (Pauling) | 2.2 | 1.93 |
| Electron affinity | 1.05 eV | 1.302 eV |
| Density | 1.210000e+4 kg/m³ | 1.050100e+4 kg/m³ |
| Melting point | 2333.85 °C | 961.78 °C |
| Boiling point | 4149.85 °C | 2161.85 °C |
| Discovery year | 1828 | N/A |