Manganese

| Main Article
| Discussion
| Related Articles  [?]
| Bibliography  [?]
| External Links  [?]
| Citable Version  [?]
| Properties [?]

|
|
|
|
|
|
|
|
|

This editable Main Article is under development and subject to a disclaimer.

[edit intro]

| Manganese | 54.938049(9) |

|

| Mn

1s22s22p63s23p63d54s2 |
[ ? ] | Transition metal:

|

|
|

Properties:
Grayish-white. hard, brittle metal.
Hazard:
Manganese dusts and fumes are toxic.

Manganese is a chemical element, having the chemical symbol Mn. Its atomic number (the number of protons) is 25. It has a standard atomic weight of 54.938049 g•mol −1 and is a solid in its elemental form.

Manganese is considered to be a member of the "Transition metal" class of element. At a pressure of 101.325 kPa, it has a boiling point of 2,061 °C, and a melting point of 1,246 °C.