Manganese
| Basic Information | Crystal Structure | Isotope | Facts | Related Links |
| Symbol: | Mn |
| Atomic Number: | 25 |
| Atomic weight: | 54.938u |
| Melting Point: | 1517K |
| Boiling Point: | 2335K |
| Number of Protons/Electrons: | 25 |
| Number of Neutrons: | 30 |
| Classification: | Transition Metal |
| Crystal Structure: | Body Centered Cubic |
| Density at 293 K: | g/mL |
| Color: | silverish/grayish |
| Bonding radius: | 1.17A |
| Atomic radius: | 1.79A |
| Ionization Potential: | 7.435V |
| Electronegativity: | 1.55 |
| Heat of vaporization: | 226kJ/mol |
| Heat of fusion: | 12.05kJ/mol |
| Specific heat: | 0.48J/gK |
| Electron configuration: | [Ar]3d54s2 |
Crystal Structure
| Isotope | Half Life |
| Mn52 | 5.59 days |
| Mn52m | 21.1 minutes |
| Mn53 | 3700000.0 years |
| Mn54 | 312.2 days |
| Mn55 | Stable |
| Mn56 | 2.57 hours |
| Mn57 | 1.45 minutes |
| Date of Discovery: | 1774 |
| Discoverer: | Johann Gahn |
| Uses: | steel, batteries, ceramics |
| Obtained From: | pyrolusite, psilomelane, rhodochrosite |