Manganese (Mn)

Manganese is essential for steel production and is also important for human bone health and metabolism.

Purple potassium permanganate crystals dissolving into water, creating swirling violet clouds
Video: Purple potassium permanganate crystals dissolving into water, creating swirling violet clouds

Properties of Manganese

Atomic number
25
Category
Transition Metal
Atomic mass
54.938 u
Electron configuration
[Ar] 3d⁵ 4s²
Melting point
1519 K (1245.85 °C)
Boiling point
2334 K (2060.85 °C)
Density
7.44 g/cm³
Electronegativity (Pauling)
1.55
Appearance
Silvery-gray metal
Discovered by
Johan Gottlieb Gahn (1774)

Facts about Manganese

  • Manganese is in every standard alkaline battery you use!
  • About 90% of all manganese produced goes into making steel!
  • Ancient cave painters used manganese dioxide as a black pigment!
  • Your body needs tiny amounts of manganese to keep your bones strong!

Manganese videos

Back to the periodic table · Manganese on Wikipedia