Antimony
| Antimony | |
|---|---|
| Sb | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 51 |
| Atomic mass: | 121.76 |
| group: | 15 |
| period: | 5 |
| normal phase: | Solid |
| series: | Metalloids |
| density: | 6.697 g/cm3 |
| melting point: | 903.78K, 630.63°C, 1167.13°F |
| boiling point: | 1860K, 1587°C, 2889°F |
| Ge ← As → Se | |
| Sn ← Sb → Te | |
| Pb ← Bi → Po | |
| Atomic radius (pm): | 145 |
| Bohr radius (pm): | 133 |
| Covalent radius (pm): | 138 |
| Van der Waals radius (pm): | |
| ionic radius (pm): | (+3) 76 |
| 1st ion potential (eV): | 8.64 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p3 | |
| Electrons Per Shell | |
| 2, 8, 18, 18, 5 | |
| Electronegativity: | 2.05 |
| Electron Affinity: | 1.07 |
| Oxidation states: | +/-3, 5 |
| Magnetism: | ? |
| Crystal structure: | Rhombohedral |
Antimony is a Metalloid in group 15.
It has a Rhombohedral crystalline structure.
This element has two stable isotopes: 121 and 123.
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