Argon vs Darmstadtium
| Property | Ar Argon | Ds Darmstadtium |
|---|---|---|
| Atomic number | 18 | 110 |
| Symbol | Ar | Ds |
| Name | Argon | Darmstadtium |
| Category | noble-gas | transition-metal |
| Standard Atomic Weight | 39.948 u | 281 u |
| Period | 3 | 7 |
| Group | 18 | 10 |
| Block | p | s |
| Phase at STP | gas | N/A |
| Electron configuration | [Ne]3s23p6 | [Rn]7s25f146d8(predicted) |
| Oxidation states | [0] | [0, 2, 4, 6, 8] |
| Electronegativity (Pauling) | N/A | N/A |
| Electron affinity | -1 eV | 1.6 eV |
| Density | 1.7837 kg/m³ | 3.480000e+4 kg/m³ |
| Melting point | -189.35 °C | -273.15 °C |
| Boiling point | -185.85 °C | -273.15 °C |
| Discovery year | 1894 | 1994 |