Ruthenium vs Iodine
| Property | Ru Ruthenium | I Iodine |
|---|---|---|
| Atomic number | 44 | 53 |
| Symbol | Ru | I |
| Name | Ruthenium | Iodine |
| Category | transition-metal | halogen |
| Standard Atomic Weight | 101.07 u | 126.90447 u |
| Period | 5 | 5 |
| Group | 8 | 17 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [Kr]5s14d7 | [Kr]5s24d105p5 |
| Oxidation states | [-4, -2, 1, 2, 3, 4, 5, 6, 7, 8] | [-1, 1, 2, 3, 4, 5, 6, 7] |
| Electronegativity (Pauling) | 2.2 | 2.66 |
| Electron affinity | 1.05 eV | 3.059 eV |
| Density | 1.210000e+4 kg/m³ | 4930 kg/m³ |
| Melting point | 2333.85 °C | 113.7 °C |
| Boiling point | 4149.85 °C | 184.4 °C |
| Discovery year | 1828 | 1811 |