manganese: Quick Facts

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Also Known As	Mn

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A labeled diagram of the periodic table entry for manganese, showing its atomic number 25, symbol Mn, atomic weight 54.938043, electron configuration, and name. Icons indicate it is a solid, cubic crystal structure, a transition metal, and its higher-valence oxides are strongly acidic.

Irregular, metallic gray chunk of manganese ore with a rough, shiny surface and patches of gold and silver tones.

Gabon: manganese mine

Manganese nodules

Cross-section diagram of an alkaline-manganese dioxide battery showing labeled internal components, including the steel-plated covers, cathode, anode gel, current collector, separator, steel can, and brass rivet.

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Topics

human nutrition manganese processing manganese nodule psilomelane chemical element transition metal hydrogen carbon sodium nitrogen sulfur phosphorus boron iodine fluorine zinc

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mineral deposit: Manganese deposits

Key People

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Johan Gottlieb Gahn

Swedish mineralogist

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Richard Alexander Fullerton Penrose, Jr.

American geologist

Concept artwork on the periodic table of elements.

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Periodic Table of the elements concept image (chemistry)

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