Antimony vs Meitnerium
| Property | Sb Antimony | Mt Meitnerium |
|---|---|---|
| Atomic number | 51 | 109 |
| Symbol | Sb | Mt |
| Name | Antimony | Meitnerium |
| Category | metalloid | transition-metal |
| Standard Atomic Weight | 121.76 u | 278 u |
| Period | 5 | 7 |
| Group | 15 | 9 |
| Block | p | s |
| Phase at STP | solid | N/A |
| Electron configuration | [Kr]5s24d105p3 | [Rn]7s25f146d7(calculated) |
| Oxidation states | [-3, -2, -1, 0, 1, 2, 3, 4, 5] | [1, 3, 4, 6, 8, 9] |
| Electronegativity (Pauling) | 2.05 | N/A |
| Electron affinity | 1.07 eV | 1.7 eV |
| Density | 6685 kg/m³ | 3.740000e+4 kg/m³ |
| Melting point | 630.63 °C | -273.15 °C |
| Boiling point | 1586.85 °C | -273.15 °C |
| Discovery year | 1707 | 1982 |