Fluorine vs Lead
| Property | F Fluorine | Pb Lead |
|---|---|---|
| Atomic number | 9 | 82 |
| Symbol | F | Pb |
| Name | Fluorine | Lead |
| Category | halogen | post-transition-metal |
| Standard Atomic Weight | 18.998403 u | 207.2 u |
| Period | 2 | 6 |
| Group | 17 | 14 |
| Block | p | p |
| Phase at STP | gas | solid |
| Electron configuration | [He]2s22p5 | [Xe]6s24f145d106p2 |
| Oxidation states | -1 | [-4, -2, -1, 0, 1, 2, 3, 4] |
| Electronegativity (Pauling) | 3.98 | 2.33 |
| Electron affinity | 3.4011 eV | 0.364 eV |
| Density | 1.696 kg/m³ | 1.134200e+4 kg/m³ |
| Melting point | -219.62 °C | 327.46 °C |
| Boiling point | -188.12 °C | 1748.85 °C |
| Discovery year | 1886 | 2021 |