Darmstadtium vs Flerovium
| Property | Ds Darmstadtium | Fl Flerovium |
|---|---|---|
| Atomic number | 110 | 114 |
| Symbol | Ds | Fl |
| Name | Darmstadtium | Flerovium |
| Category | transition-metal | post-transition-metal |
| Standard Atomic Weight | 281 u | 289 u |
| Period | 7 | 7 |
| Group | 10 | 14 |
| Block | s | p |
| Phase at STP | N/A | gas |
| Electron configuration | [Rn]7s25f146d8(predicted) | [Rn] 7s27p2 5f14 6d10(predicted) |
| Oxidation states | [0, 2, 4, 6, 8] | [0, 1, 2, 4, 6] |
| Electronegativity (Pauling) | N/A | N/A |
| Electron affinity | 1.6 eV | -0.5 eV |
| Density | 3.480000e+4 kg/m³ | 9928 kg/m³ |
| Melting point | -273.15 °C | -273.15 °C |
| Boiling point | -273.15 °C | -63.15 °C |
| Discovery year | 1994 | 1998 |