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Mn (Manganese)

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Keterangan

     Manganese is reactive chemically, and decomposes cold water slowly. It is reactive even when impure, and will burn in oxygen.

Nama lain (trademark, branding etc.)

Manganum, Mangan, Manganese, Mangan - r, Manganês, Марганец, Manganesio, 

Spesifikasi Produk

Overview of Manganese
Atomic Number 25
Group 7
Period 4
Series Transition Metals
Relative Atomic Mass (12C=12.000)  54.938
Boiling Point:  2235K 1962°C 3564°F
Melting Point:  1517K 1244°C 2271°F
Density/kg m-3  7440 (293K)
Ground State Electron Configuration  [Ar]3d54s2
Electron Affinity(M-M-)/kJ mol-1  94
Discoverer:  Johann G. Gahn
Discovery Location:  Stockholm Sweden
Discovery Year:  1774
Name Origin: Latin: mangnes (magnet); Ital. manganese.

Aplikasi

     Manganese is used to form many important alloys. It gives steel a hard yet pliant quality, and with aluminium and antimony it forms highly ferromagnetic alloys.
     Manganese(IV) oxide is used as a depolariser in dry cells, and to decolorise glass coloured green by iron impurities. Manganese(II) oxide is a powerful oxidising agent and is used in quantitative analysis.

Bahan Baku

Manganese is a chemical element, designated by the symbol Mn. It has the atomic number 25. It is found as a free element in nature (often in combination with iron), and in many minerals. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels.

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  • MANGANESE
    Manganese is a chemical element, designated by the symbol Mn. It has the atomic number 25. It is found as a free element in nature (often in combination with iron), and in many minerals. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels.
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