US EPA Research no Twitter: "Manganese, whose symbol is Mn on the periodic table, is an essential nutrient for humans. It is also often combined with iron to make metal alloys like
Symbol Of Chemical Element Manganese As Seen On The Periodic Table Of The Elements, Including Atomic Number And Atomic Weight. Royalty Free SVG, Cliparts, Vectors, And Stock Illustration. Image 79983796.
Wikijunior:The Elements/Manganese - Wikibooks, open books for an open world