- Atomic Radius (Å)
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.
25
Atomic Number
54.94 u
Atomic Mass
1519.15 K
Melting Point
2334 K
Boiling Point
7.21 g/cm³
Density
1.8 Å
Atomic Radius
1.39 Å
Covalent Radius
1.55
Electronegativity
7.43 eV
First Ionization Energy
-50
Electron Affinity
4
Number of Shells
2, 8, 13, 2
Electron Shell Occupations
0.48 J/g
Specific Heat