›› Physical and chemical properties of Manganese

Atomic Number:25
Element Symbol:Mn
Element Name:Manganese
Atomic Weight:54.938049
Group Number:7
Group Name:none
Period Number:4
Block:d-block
Ground State Configuration:[Ar] 3d5 4s2
Ground State Level:6S5/2
Standard State:Solid
Bond Length:273.1
Atomic Radius Empirical:140
Atomic Radius Calculated:161
Covalent Radius Empirical:139
First Ionization Energy:717.3
Pauling Electronegativity:1.55
Sanderson Electronegativity:2.20
Allred Rochow Electronegativity:1.60
Density Of Solid:7470
Molar Volume:7.35
Velocity Of Sound:5150
Youngs Modulus:198
Bulk Modulus:120
Mineral Hardness:6.0
Brinell Hardness:196
Electrical Resistivity:160
Melting Point:1246
Boiling Point:2061
Thermal Conductivity:7.8
Coefficient Of Linear Expansion:21.7
Enthalpy Of Fusion:13.2
Enthalpy Of Vaporization:220
Enthalpy Of Atmization:281
Most Common Oxidation Numbers:7,4,2
Color:Silvery metallic
Classification:Metallic
Discovered By:Johann Gahn
Discovered At:Sweden
Discovered When:1774
Origin Of Name:From the Latin word magnes meaning magnet, or magnesia nigri meaning black magnesia (MnO2)

Calculate the molecular weight of Manganese or molecular weight Mn.

Also see the full list of chemical elements and atomic weights.


››Compounds that contain Manganese

Potassium Permanganate  KMnO4
Silver Permanganate  AgMnO4
Barium Manganate  BaMnO4
Barium Permanganate  Ba(MnO4)2
Calcium Permanganate  Ca(MnO4)2
Cesium Permanganate  CsMnO4
Manganese(II) Bromide  MnBr2
Manganese(II) Acetate  Mn(CH3COO)2
Manganese(II) Carbonate  MnCO3
Manganese(II) Chloride  MnCl2
Manganese(II) Chloride Tetrahydrate  MnCl2.4H2O
Manganese(III) Chloride  MnCl3
Manganese(II) Fluoride  MnF2
Manganese(III) Fluoride  MnF3
Manganese(IV) Fluoride  MnF4
Manganese(II) Iodide  MnI2
Manganese(II) Iodide Tetrahydrate  MnI2.4H2O
Manganese(II) Nitrate  Mn(NO3)2
Manganese(II) Oxide  MnO
Manganese(IV) Oxide  MnO2
Manganese(II) Sulfide  MnS
Manganese(II) Sulfate  MnSO4
Manganese(III) Antimonide  MnSb
Manganese(II) Selenide  MnSe
Manganese(IV) Selenide  MnSe2
Manganese(II) Telluride  MnTe
Manganese(IV) Telluride  MnTe2
Manganese(III) Oxide  Mn2O3
Manganese(VII) Oxide  Mn2O7
Manganese(II, III) Oxide  Mn3O4
Manganese(II) Phosphate  Mn3(PO4)2
Zinc Permanganate  Zn(MnO4)2