Chlorine vs Rutherfordium
| Property | Cl Chlorine | Rf Rutherfordium |
|---|---|---|
| Atomic number | 17 | 104 |
| Symbol | Cl | Rf |
| Name | Chlorine | Rutherfordium |
| Category | halogen | transition-metal |
| Standard Atomic Weight | 35.4515 u | 263 u |
| Period | 3 | 7 |
| Group | 17 | 4 |
| Block | p | s |
| Phase at STP | gas | solid |
| Electron configuration | [Ne]3s23p5 | [Rn]7s25f146d2 |
| Oxidation states | [-1, 1, 2, 3, 4, 5, 6, 7] | [3, 4] |
| Electronegativity (Pauling) | 3.16 | N/A |
| Electron affinity | 3.6127 eV | 0.65 eV |
| Density | 3.214 kg/m³ | 2.330000e+4 kg/m³ |
| Melting point | -101.5 °C | 2126.85 °C |
| Boiling point | -34.04 °C | 5526.85 °C |
| Discovery year | 1774 | 1964 |