Astatine vs Hassium
| Property | At Astatine | Hs Hassium |
|---|---|---|
| Atomic number | 85 | 108 |
| Symbol | At | Hs |
| Name | Astatine | Hassium |
| Category | halogen | transition-metal |
| Standard Atomic Weight | 210 u | 270 u |
| Period | 6 | 7 |
| Group | 17 | 8 |
| Block | p | s |
| Phase at STP | solid | N/A |
| Electron configuration | [Xe]6s24f145d106p5 | [Rn]7s25f146d6 |
| Oxidation states | [-1, 1, 3, 5, 7] | [3, 4, 6, 8] |
| Electronegativity (Pauling) | 2.2 | N/A |
| Electron affinity | 2.391 eV | 1.1 eV |
| Density | 7000 kg/m³ | 4.070000e+4 kg/m³ |
| Melting point | 301.85 °C | -273.15 °C |
| Boiling point | -273.15 °C | -273.15 °C |
| Discovery year | 1940 | 1984 |