Fluorine vs Polonium
| Property | F Fluorine | Po Polonium |
|---|---|---|
| Atomic number | 9 | 84 |
| Symbol | F | Po |
| Name | Fluorine | Polonium |
| Category | halogen | metalloid |
| Standard Atomic Weight | 18.998403 u | 209 u |
| Period | 2 | 6 |
| Group | 17 | 16 |
| Block | p | p |
| Phase at STP | gas | solid |
| Electron configuration | [He]2s22p5 | [Xe]6s24f145d106p4 |
| Oxidation states | -1 | [-2, 2, 4, 5, 6] |
| Electronegativity (Pauling) | 3.98 | 2 |
| Electron affinity | 3.4011 eV | 1.9 eV |
| Density | 1.696 kg/m³ | 9320 kg/m³ |
| Melting point | -219.62 °C | 253.85 °C |
| Boiling point | -188.12 °C | 961.85 °C |
| Discovery year | 1886 | 1898 |