25
Mn
Manganese
Manganese
Manganese (Mn)
Transition Metals · Solid · Period 4 · Group 7
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Element Properties
- Atomic Number
- 25
- Symbol
- Mn
- Atomic Mass
- 54.938
- Category
- Transition Metals
- Standard State
- Solid
- Period
- 4
- Group
- 7
- Electronegativity
- 1.55
- Atomic Radius
- 197
- Ionization Energy
- 7.43
- Electron Affinity
- —
- Oxidation States
- +7, +4, +3, +2
- Melting Point
- 1519 K (1245.85 °C)
- Boiling Point
- 2334 K (2060.85 °C)
- Density
- 7.3
- Electron Configuration
- [Ar]4s2 3d5
- Year Discovered
- 1774
Frequently asked questions
What is the atomic number of Manganese?
The atomic number of Manganese is 25, which equals the number of protons in its nucleus.
What is the atomic mass of Manganese?
The atomic mass of Manganese is approximately 54.938 u (one twelfth of the mass of a carbon-12 atom).
What is the electron configuration of Manganese?
The electron configuration of Manganese is [Ar]4s2 3d5.
Where is Manganese in the periodic table?
Manganese is located in period 4, group 7.
When was Manganese discovered?
Manganese was discovered in 1774.