Lanthanum vs Flerovium
| Property | La Lanthanum | Fl Flerovium |
|---|---|---|
| Atomic number | 57 | 114 |
| Symbol | La | Fl |
| Name | Lanthanum | Flerovium |
| Category | lanthanide | post-transition-metal |
| Standard Atomic Weight | 138.90547 u | 289 u |
| Period | 6 | 7 |
| Group | N/A | 14 |
| Block | s | p |
| Phase at STP | solid | gas |
| Electron configuration | [Xe]6s25d1 | [Rn] 7s27p2 5f14 6d10(predicted) |
| Oxidation states | [0, 1, 2, 3] | [0, 1, 2, 4, 6] |
| Electronegativity (Pauling) | 1.1 | N/A |
| Electron affinity | 0.47 eV | -0.5 eV |
| Density | 6150 kg/m³ | 9928 kg/m³ |
| Melting point | 917.85 °C | -273.15 °C |
| Boiling point | 3463.85 °C | -63.15 °C |
| Discovery year | 1839 | 1998 |