
Manganese - Wikipedia
Manganese, 25 MnManganese Pronunciation / ˈ m æ ŋ ɡ ə n iː z / (MANG-gə-neez) Appearance silvery metallic Standard atomic weight A r, std (Mn) 54.938 043 (2) Manganese in the periodic table Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen