Element: manganese |
Name : manganese |
Symbol : Mn |
Atomicnumber : 25 |
Relativeatomicmass : 54.938044 (3) |
Standardstate : solid at 298 K |
Appearance : silvery metallic |
Classification : Metallic |
Groupinperiodictable : 7 |
Groupname : (none) |
Periodinperiodictable : 4 |
Blockinperiodictable : d |
Shellstructure : 2.8.13.2 |
CASRegistry : 7439-96-5 |
Description : Manganese metal is gray-white, resembling iron, but is harder and very brittle. The metal is reactive chemically, and decomposes cold water slowly. Manganese is widely distributed throughout the anima |