| Atomic number |
|
51 |
| Atomic weight | 121.7601 amu |
| Density |
6.685 g/cm3 (STP) |
| Melting | 630.9 °C |
| Boiling | 1750 °C |
| Covalent radius | 1.38 Å |
| Van der Waals radius | Å |
| Ionic radius | 0.76 Å |
| First ionization potential | 8.644 eV = 69717 cm-1 = 834.0 kJ/mol
|
| Electron affinity | -1.067 eV = -8610 cm-1 = -103.0 kJ/mol |
| Electronic configuration | 1s22s22p63s23p63d104s24p64d105s25p3 |
| Stable isotopes | 121Sb: 57.21%, 123Sb: 42.79% |
|
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