Introduction:
| Symbol | : | Mn |
|---|---|---|
| Atomic number | : | 25 |
| Melting point | : | 1,246 °C |
| Density (near r.t) | : | 7.21g/cm3 |
Characteristics:
- Manganese is a pinkish-grey, chemically active element.
- It is a hard metal and is very brittle.
- It is hard to melt, but easily oxidized. Manganese is reactive when pure, and as a powder it will burn in oxygen.
Applications:
- Manganese is used as a black-brown pigment in paint.
- It is an essential trace element for living creatures.
- It is mainly used to decolourize glass and to prepare violet-coloured glass.