Mn

Manganese

Atomic Number 25 · Metal flake/piece

Essential for steel production and found in many enzymes. Makes up about 0.1% of Earth's crust.

Atomic Mass

54.938 u

Category

Transition Metal

Phase (STP)

Solid

Density

7.44 g/cm³

Melting Point

1246 °C

Boiling Point

2061 °C

Electronegativity

1.55 (Pauling)

Atomic Radius

140 pm

Electron Configuration

[Ar] 3d5 4s2

Discovered

1774 — Johan Gottlieb Gahn

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Sample form: Metal flake/piece

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