25 Mn 54.938
Manganese
transition metal
Properties
- Atomic number
- 25
- Atomic mass
- 54.938 u
- Category
- transition metal
- Group
- 7
- Period
- 4
- Block
- d-block
- State (room temp)
- Solid
- Outer-shell electrons
- 2
- Electronegativity
- 1.55 (Pauling)
- Density
- 7.21 g/cm³
- Melting point
- 1245.85 °C
- Boiling point
- 2060.85 °C
Electron configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁵
Noble-gas shorthand: [Ar] 3d⁵ 4s²
Electrons per shell: 2, 8, 13, 2, which is 2 in the outermost shell.
Related: electron configuration, the Bohr model, valence electrons.
About Manganese
Manganese is a chemical element with symbol Mn and atomic number 25. It is not found as a free element in nature; it is often found in combination with iron, and in many minerals. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels.
- Discovered by Torbern Olof Bergman
- Appearance: silvery metallic
Manganese: frequently asked questions
- What is Manganese?
- Manganese (Mn) is the chemical element with atomic number 25. It is a metal: specifically a transition metal.
- What is the atomic number of Manganese?
- Manganese's atomic number is 25, which means every Manganese atom has 25 protons in its nucleus.
- What is the electron configuration of Manganese?
- The electron configuration of Manganese is 1s2 2s2 2p6 3s2 3p6 4s2 3d5 (noble-gas shorthand: [Ar] 3d5 4s2). Its electrons are arranged in shells of 2, 8, 13, 2, with 2 in the outermost shell.
- Is Manganese a metal or a nonmetal?
- Manganese is a metal: specifically a transition metal.
- What group and period is Manganese in?
- Manganese is in group 7 and period 4 of the periodic table.
- Is Manganese a solid, liquid, or gas?
- At room temperature, Manganese is a solid.
Position in the periodic table
Data compiled from Wikipedia, PubChem, and IUPAC. Source.