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Sulfur (S)
Atomic number 16 · Non-metal
| Atomic number | 16 |
|---|---|
| Atomic mass | 32.06 u |
| Molar mass | 32.06 g/mol |
| Category | Non-metal |
| Group / period / block | 16 / 3 / p |
| Electron configuration | [Ne] 3s2 3p4 |
| Electrons per shell | 2, 8, 6 |
| Electronegativity (Pauling) | 2.58 |
| Atomic radius | 100.0 pm |
| Density | 2.07 g/cm³ |
| First ionisation energy | 10.36 eV |
| Melting point | 388.36 K (115.21 °C) |
| Boiling point | 717.76 K (444.61 °C) |
| Common oxidation states | -2, +2, +4, +6 |
| Abundance in Earth's crust | 350 ppm |
Uses
Sulfuric acid, vulcanising rubber, fungicides
Discovery
Known since ancient times