Fluorine vs Terbium
| Property | F Fluorine | Tb Terbium |
|---|---|---|
| Atomic number | 9 | 65 |
| Symbol | F | Tb |
| Name | Fluorine | Terbium |
| Category | halogen | lanthanide |
| Standard Atomic Weight | 18.998403 u | 158.92535 u |
| Period | 2 | 6 |
| Group | 17 | N/A |
| Block | p | s |
| Phase at STP | gas | solid |
| Electron configuration | [He]2s22p5 | [Xe]6s24f9 |
| Oxidation states | -1 | [0, 1, 2, 3, 4] |
| Electronegativity (Pauling) | 3.98 | N/A |
| Electron affinity | 3.4011 eV | 1.124 eV |
| Density | 1.696 kg/m³ | 8230 kg/m³ |
| Melting point | -219.62 °C | 1355.85 °C |
| Boiling point | -188.12 °C | 3229.85 °C |
| Discovery year | 1886 | 1843 |