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| Sb | Antimony | Metal |
| Atomic number: | 51 | Atomic weight: | 121.757 | ||
| Shells: | 2,8,18,18,5 | Orbitals: | [Kr] 4d10 5s2 5p3 | ||
| Melting point: | 630.74°C | Boiling point: | 1587°C | ||
| Covalent radius: | 1.40 | Å | Atomic volume: | 18.23 | cm³/mol |
| Atomic radius: | 1.53 | Å | Ionic radius: | .76 (+3) | Å |
| Electronegativity: | 2.05 | Oxidation states: | (±3),5 | ||
| 1st ionization pot.: | 8.64 | V | 2nd ionization pot.: | 16.53 | V |
| 3rd ionization pot.: | 25.30 | V | Specific heat: | 0.21 | J/gK |
| Heat of fusion: | 19.870 | kJ/mol | Heat of vapor.: | 77.140 | kJ/mol |
| Thermal conduct.: | 0.243 | W/cmK | Electrical conduct.: | 0.0288 | 10^6/cm ohm |
| Density: | 6.684 | g/cm³ | Valence: | 0,-3,3,5 |
