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Manganese (Mn)
Atomic number: 25 · Category: transition metal · Group 7 · Period 4 · Phase: Solid
Manganese is a chemical element with symbol Mn and atomic number 25. It is not found as a free element in nature; it is often found in combination with iron, and in many minerals. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels.
Atomic mass: 54.9380443
Density: 7.21
Melting point: 1519 K
Boiling point: 2334 K
Appearance: silvery metallic
Source: Wikipedia
Block: d
Molar heat: 26.32
CPK color:#9c7ac7
Electronic structure
Electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d5
Configuration (semantic): [Ar] 3d5 4s2
Shells: 2, 8, 13, 2
Electronegativity (Pauling): 1.55
Electron affinity: -50
Ionization energies: 717.3, 1509, 3248, 4940, 6990, 9220, 11500, 18770, 21400, 23960, 27590, 30330, 33150, 38880, 41987, 109480, 118100, 127100, 138600, 148500, 158600, 172500, 181380, 785450, 827067
Periodic position
Group: 7
Period: 4
xpos: 7
ypos: 4
Spectral/Bohr images
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3D Model