Fluorine vs Rutherfordium
| Property | F Fluorine | Rf Rutherfordium |
|---|---|---|
| Atomic number | 9 | 104 |
| Symbol | F | Rf |
| Name | Fluorine | Rutherfordium |
| Category | halogen | transition-metal |
| Standard Atomic Weight | 18.998403 u | 263 u |
| Period | 2 | 7 |
| Group | 17 | 4 |
| Block | p | s |
| Phase at STP | gas | solid |
| Electron configuration | [He]2s22p5 | [Rn]7s25f146d2 |
| Oxidation states | -1 | [3, 4] |
| Electronegativity (Pauling) | 3.98 | N/A |
| Electron affinity | 3.4011 eV | 0.65 eV |
| Density | 1.696 kg/m³ | 2.330000e+4 kg/m³ |
| Melting point | -219.62 °C | 2126.85 °C |
| Boiling point | -188.12 °C | 5526.85 °C |
| Discovery year | 1886 | 1964 |