Sulfur (S)

Sulfur is a bright yellow solid known for its distinctive smell. It is essential for life and widely used in industry.

Sulfur crystals melting from golden liquid to blood-red syrup, then igniting with an electric blue flame
Video: Sulfur crystals melting from golden liquid to blood-red syrup, then igniting with an electric blue flame

Properties of Sulfur

Atomic number
16
Category
Nonmetal
Atomic mass
32.06 u
Electron configuration
[Ne] 3s² 3p⁴
Melting point
388.36 K (115.21 °C)
Boiling point
717.8 K (444.65 °C)
Density
2.067 g/cm³
Electronegativity (Pauling)
2.58
Appearance
Bright yellow crystalline solid
Discovered by
Ancient Chinese

Facts about Sulfur

  • Sulfur is what makes rotten eggs smell so terrible!
  • Volcanoes release tons of yellow sulfur!
  • Sulfur has been known since ancient times — they called it "brimstone"!
  • Black gunpowder is made with sulfur, charcoal, and potassium nitrate!

Sulfur videos

Back to the periodic table · Sulfur on Wikipedia