Template:Infobox manganese

Manganese, ₂₅Mn

Template:Infobox element/symbol-to-top-image-caption
Manganese
Pronunciation	Template:Infobox element/pronunciation
Allotropes	Template:Infobox element/symbol-to-allotropes
Appearance	silvery metallic
Mass number	Template:Infobox element/symbol-to-most-stable-isotope
Manganese in the periodic table
Template:Infobox element/periodic table
Atomic number (Z)	25
Group	Template:Infobox element/symbol-to-group
Period	Template:Infobox element/symbol-to-period
Block	Template:Infobox element/block format
Electron configuration	Template:Infobox element/symbol-to-electron-configuration
Electrons per shell	2, 8, 13, 2
Physical properties
Phase at STP	Template:Infobox element/symbol-to-phase
Melting point	1519 K ​(1246 °C, ​2275 °F)
Boiling point	2334 K ​(2061 °C, ​3742 °F)
Density (at 20° C)	7.476 g/cm3
when liquid (at m.p.)	5.95 g/cm3
Heat of fusion	12.91 kJ/mol
Heat of vaporization	221 kJ/mol
Molar heat capacity	26.32 J/(mol·K)
Vapor pressureTemplate:Infobox element/vapor pressure table
Atomic properties
Oxidation states	Template:Element-symbol-to-oxidation-state-data
Electronegativity	Pauling scale: 1.55
Ionization energies	1st: 717.3 kJ/mol 2nd: 1509.0 kJ/mol 3rd: 3248 kJ/mol (more)
Atomic radius	empirical: 127 pm
Covalent radius	Low spin: 139±5 pm High spin: 161±8 pm
Template:Infobox element/spectral lines
Other properties
Natural occurrence	Template:Infobox element/symbol-to-occurrence
Crystal structure	α-Mn: ​Template:Infobox element/crystal structure (cI58)
Lattice constant	Template:Infobox element/crystal structure a = 891.16 pm (at 20 °C)
Thermal expansion	23.61×10−6/K (at 20 °C)
Thermal conductivity	7.81 W/(m⋅K)
Electrical resistivity	1.44 µΩ⋅m (at 20 °C)
Magnetic ordering	paramagnetic
Molar magnetic susceptibility	(α) +529.0×10−6 cm3/mol (293 K)
Young's modulus	198 GPa
Bulk modulus	120 GPa
Speed of sound thin rod	5150 m/s (at 20 °C)
Mohs hardness	6.0
Brinell hardness	196 MPa
CAS Number	7439-96-5
History
Naming	after Magnesia, Greece
Discovery	Carl Wilhelm Scheele (1774)
First isolation	Johann Gottlieb Gahn (1774)
Symbol	Template:Infobox element/symbol-to-symbol-etymology
Isotopes of manganese Template:V

child table, as reused in {IB-Mn} Template:V
Main isotopes of Template:Infobox element/symbol-to-name
{{infobox Template:Infobox element/symbol-to-name isotopes|child=yes}}

Template:Infobox element/symbol-to--overview1

References

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