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