Atomic Properties
- Atomic Number
- 16
- Atomic Mass
- 32.0600 u
- Electron Configuration
- [Ne] 3s2 3p4
- Electronegativity
- 2.58
- Block
- p-block
- Group
- 16
- Period
- 3
Physical Properties
- Phase (STP)
- solid
- Melting Point
- 388.36 K
- Boiling Point
- 717.80 K
- Density
- 2.0700 g/cm³
About Sulfur
Yellow nonmetal; used in sulfuric acid production; smells like rotten eggs.
Isotopes of Sulfur
Sulfur has 4 naturally occurring isotopes.
| Isotope | Mass Number | Atomic Mass (u) | Abundance | Type |
|---|---|---|---|---|
| 32S | 32 | 31.97207117 | 94.99% | Stable |
| 33S | 33 | 32.97145891 | 0.7500% | Stable |
| 34S | 34 | 33.967867 | 4.250% | Stable |
| 36S | 36 | 35.96708071 | 0.0100% | Stable |
Data source: NIH PubChem (aggregated from IUPAC, NIST)