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Mn   -   Manganese (25/54.938)

Material List
  • Naturally occurring isotopes: 55
  • Density: 7.44 (293.15K) g/cm3
  • Melting point: 1244 ± 3 oC
  • Boiling point: 1962 oC
  • Latent heat of fusion: 266.7 J/g
  • Specific heat: 0.479 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 2.20E-05 cm/cm/K (at room temp.)
  • Thermal conductivity: 7.81E-02 W/cm/K (at room temp.)
  • Electrical resistivity: 1.85E-04 hm-cm (at room temp.)
  • lonization potential (1st): 7.435 eV
  • Electronic work function Φ: 4.1
  • Oxidation potentials: Mn → Mn2+ + 2e = 1.18 V
  • Chemical valence: -2 -1 0 1 2 3 4 5 6 7
  • Electrochemical equivalents: 0.29282 g/amp-hr
  • lonic radius: 0.46 angstrom
  • Valence electron potential: 220 -eV
  • Principal quantum number: 4
  • Principal electron shells: K L M N
  • Electronic configuration: 1s2 2s2 2p6 3s2 3p6 3d5 4s2
  • Valence electrons: 3d5 4s2
  • Crystal form: FCC
  • Half life:
  • Cross section σ: 13.3 ± 0.1 barns
  • Vapor pressure: 1.21E+02 Pa (at melting point)