Chemical Elements History and Information Manganese
About the chemical element Manganese, its symbol, atomic number and weight, who discovered it and when.
The Atomic Elements and Their Uses
(Element) (Symbol) (Atomic number) (Atomic weight)
Manganese Mn 25 54.9380
Recognized as an element by Karl Scheele of Sweden in 1774. Isolated by Johan Gahn of Sweden in the same year.
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