Polonium vs Flerovium
| Property | Po Polonium | Fl Flerovium |
|---|---|---|
| Atomic number | 84 | 114 |
| Symbol | Po | Fl |
| Name | Polonium | Flerovium |
| Category | metalloid | post-transition-metal |
| Standard Atomic Weight | 209 u | 289 u |
| Period | 6 | 7 |
| Group | 16 | 14 |
| Block | p | p |
| Phase at STP | solid | gas |
| Electron configuration | [Xe]6s24f145d106p4 | [Rn] 7s27p2 5f14 6d10(predicted) |
| Oxidation states | [-2, 2, 4, 5, 6] | [0, 1, 2, 4, 6] |
| Electronegativity (Pauling) | 2 | N/A |
| Electron affinity | 1.9 eV | -0.5 eV |
| Density | 9320 kg/m³ | 9928 kg/m³ |
| Melting point | 253.85 °C | -273.15 °C |
| Boiling point | 961.85 °C | -63.15 °C |
| Discovery year | 1898 | 1998 |