Sb
Antimony Symbol (Sb)
Antimony is element 51 of the periodic table. Copy its symbol Sb and see its atomic weight, electron configuration and common compounds.
What does Sb mean?
Sb is the chemical symbol for antimony, element number 51 in the periodic table. Antimony is a metalloid in group 15, period 5. It is a metalloid used in flame retardants and alloys; its symbol Sb comes from the Latin stibium.
Codes and properties
| Chemical symbol | Sb |
|---|---|
| Atomic number (Z) | 51 |
| Atomic weight (PubChem) | 121.760 |
| Group / period | 15 / 5 |
| Element category | metalloid |
| Electron configuration | [Kr]5s² 4d¹⁰ 5p³ |
| State at 20 °C | Solid |
| Oxidation states | +5, +3, -3 |
| Electronegativity (Pauling) | 2.05 |
| Melting point | 903.78 K (630.63 °C) |
| Boiling point | 1860 K (1586.85 °C) |
| Density | 6.685 g/cm³ |
| Discovered | Known since ancient times |
| Common compounds | Sb₂O₃, Sb₂S₃ |
How to type Sb
- Plain text: type
Sb— element symbols are ordinary Latin letters, with the first letter capitalised and the second lowercase. - Subscripts in formulas: use Unicode subscript digits (₀₁₂₃₄₅₆₇₈₉) for formulas such as Sb₂O₃ — copy them from the chemistry keyboard.
- LaTeX: write
\mathrm{Sb}in math mode, or use the mhchem package:\ce{Sb}. - HTML:
Sb; for subscripts use<sub>, e.g.H<sub>2</sub>O.
Frequently asked questions
What is the chemical symbol for antimony?
The chemical symbol for antimony is Sb.
What is the atomic number of antimony?
Antimony has atomic number 51, meaning each atom has 51 protons.
What is the electron configuration of antimony?
The ground-state electron configuration of antimony is [Kr]5s² 4d¹⁰ 5p³.
Related symbols
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Reference: Antimony on PubChem (NIH)