Periodic table of elements

25 - Manganese [Mn]

25: Manganese - Manganum [Mn]
Group: 7
Period: 4
Atomic number: 25
Atomic mass: 54.938045
Configuration: [Ar] 3d54s2
Atomic radius: 161 pm
Covalent radius: 139 pm
Electron affinity: 0 eV
Ionization energy: 7.434 eV
Electronic term: 6S5/2
Mass fraction in the earth crust: 0.0011
Mass fraction in the earth space: 0.000008
Electronegativity: 1.55

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