Mn
Manganese
Element 25 · Transition metal · Period 4, Group 7
Solid · Discovered 1774
Atomic Properties
| Atomic Number | 25 |
| Atomic Mass | 54.93804u |
| Electron Configuration | [Ar]4s2 3d5 |
| Electronegativity | 1.55Pauling |
| Atomic Radius | 197pm |
| Ionization Energy | 7.434eV |
| Oxidation States | +7, +4, +3, +2 |
Physical Properties
| Standard State | Solid |
| Melting Point | 1519K |
| Boiling Point | 2334K |
| Density | 7.3g/cm³ |
| Group Block | Transition metal |
| Year Discovered | 1774 |