Manganese
| Manganese | |
|---|---|
| Mn | |
| In situ availability: | available |
| Necessity: | |
| Atomic number: | 25 |
| Atomic mass: | 54.938049 |
| group: | 7 |
| period: | 4 |
| normal phase: | Solid |
| series: | Transition Metals |
| density: | 7.21 g/cm3 |
| melting point: | 1519K, 1246°C, 2275°F |
| boiling point: | 2334K, 2061°C, 3742°F |
| N/A ← N/A → N/A | |
| Cr ← Mn → Fe | |
| Mo ← Tc → Ru | |
| Atomic radius (pm): | 140 |
| Bohr radius (pm): | 161 |
| Covalent radius (pm): | 139 |
| Van der Waals radius (pm): | |
| ionic radius (pm): | (+2) 67 |
| 1st ion potential (eV): | 7.43 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d5 4s2 | |
| Electrons Per Shell | |
| 2, 8, 13, 2 | |
| Electronegativity: | 1.55 |
| Electron Affinity: | Unstable anion |
| Oxidation states: | 7, 6, 4, 2, 3 |
| Magnetism: | Nonmagnetic |
| Crystal structure: | Body centered cubic |
Manganese is a Transition Metal in group 7. It has a Body centered cubic crystalline structure. This element has a stable isotope of 55
Lunar Availability
Lunar manganese is found substituting for iron in various oxides, in approximately a 1:70 ratio [1].
References
- ↑ Washington University in Saint Louis, Department of Earth and Planetary Sciences How Do We Know That It’s a Rock From the Moon?
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