Chlorine vs Osmium
| Property | Cl Chlorine | Os Osmium |
|---|---|---|
| Atomic number | 17 | 76 |
| Symbol | Cl | Os |
| Name | Chlorine | Osmium |
| Category | halogen | transition-metal |
| Standard Atomic Weight | 35.4515 u | 190.23 u |
| Period | 3 | 6 |
| Group | 17 | 8 |
| Block | p | s |
| Phase at STP | gas | solid |
| Electron configuration | [Ne]3s23p5 | [Xe]6s24f145d6 |
| Oxidation states | [-1, 1, 2, 3, 4, 5, 6, 7] | [-4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8] |
| Electronegativity (Pauling) | 3.16 | 2.2 |
| Electron affinity | 3.6127 eV | 1.1 eV |
| Density | 3.214 kg/m³ | 2.258720e+4 kg/m³ |
| Melting point | -101.5 °C | 3032.85 °C |
| Boiling point | -34.04 °C | 5011.85 °C |
| Discovery year | 1774 | 1803 |