Fluorine vs Copernicium
| Property | F Fluorine | Cn Copernicium |
|---|---|---|
| Atomic number | 9 | 112 |
| Symbol | F | Cn |
| Name | Fluorine | Copernicium |
| Category | halogen | transition-metal |
| Standard Atomic Weight | 18.998403 u | 285 u |
| Period | 2 | 7 |
| Group | 17 | 12 |
| Block | p | s |
| Phase at STP | gas | gas |
| Electron configuration | [He]2s22p5 | [Rn] 7s2 5f14 6d10(predicted) |
| Oxidation states | -1 | [2, 4] |
| Electronegativity (Pauling) | 3.98 | N/A |
| Electron affinity | 3.4011 eV | -0.8 eV |
| Density | 1.696 kg/m³ | 1.400000e+4 kg/m³ |
| Melting point | -219.62 °C | -273.15 °C |
| Boiling point | -188.12 °C | -165.15 °C |
| Discovery year | 1886 | 1996 |