| Property | Value |
|---|---|
| Atomic number | 25 |
| Atomic weight | 54.9380455 amu |
| Element family | Transition metals |
| Electronic configuration | 1s2 |
| Stable and very long lived isotopes | 55Mn: 100% |
| Previous element | Chromium |
| Next element | Iron |
| Density | 7.44 g/cm3 (STP) |
| Melting | 649 °C |
| Boiling | 2097 °C |
| Covalent radius | 1.19 Å |
| Ionic radius | 0.46 Å |
| Metallic radius | 1.27 Å |
| First ionization potential | 7.434 eV |
| Electron affinity | -0.500 eV |
| Electronegativity | 1.55 |
| Discovery year | 1774 |
Manganese is an element number 25 from transition metals family. Its symbol is Mn. Manganese atomic weight is 54.9380455 amu. Mn stable and long lived isotopes are 55Mn: 100%. Manganese electronic configuration is 1s22s22p63s23p64s23d5. Sample compounds that contain Manganese are KMnO4, MnO2, MnSO4, MnCl2, MnO, MnO4.
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