25Mn
Element 25
Manganese
Transition metals
Manganese is a chemical element with symbol Mn and atomic number 25.
Key data
- Atomic number
- 25
- Atomic mass
- 54.938 u
- Group / Period
- 7 / 4
- Block
- d-block
- Phase at STP
- Solid
- Density
- 7.21 g/cm³
- Melting point
- 1245.8 °C
- Boiling point
- 2060.8 °C
- Electron configuration
- [Ar] 3d5 4s2
Common uses
- •Steel toughening
- •Dry-cell batteries
- •Glass decoloring
Discovery
Year: 1774
Discovered by: Torbern Olof Bergman
Frequently asked questions
What is the atomic number of Manganese?
Manganese has atomic number 25. Its symbol is Mn and its atomic mass is 54.938 u.
What category of element is Manganese?
Manganese is classified as transition metals. It sits in group 7, period 4 of the periodic table.
What is Manganese used for?
Common uses of Manganese include: Steel toughening, Dry-cell batteries, Glass decoloring.
When was Manganese discovered?
Manganese was discovered in 1774 by Torbern Olof Bergman.
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