Sulfur (S)
Element 16 Ā· Reactive nonmetal
Sulfur (S) is a chemical element with atomic number 16. It is classified as a reactive nonmetal in period 3, group 16 of the periodic table (the p-block). Its standard atomic weight is 32.06 u and its ground-state electron configuration is [Ne] 3s² 3pā“.
Sulfur facts
| Atomic number (Z) | 16 |
|---|---|
| Symbol | S |
| Standard atomic weight | 32.06 u |
| Category | Reactive nonmetal |
| Group | 16 |
| Period | 3 |
| Block | p-block |
| Electron configuration | [Ne] 3s² 3pⓠ|
| Electronegativity (Pauling) | 2.58 |
| State at 20 °C | Solid |
| Protons / electrons | 16 / 16 |
| Neutrons (most common isotope, approx.) | 16 |
| Molar mass | 32.06 g/mol |