Periodic Table of the Elements: Manganese

Related article: Periodic Table of the Elements (table)Periodic Table of the Elements
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Periodic Table of the Elements: Manganese
Atomic Number:25
Atomic Symbol:Mn
 Manganesemanganese
[Lat.,=magnet], metallic chemical element; symbol Mn; at. no. 25; at. wt. 54.93805; m.p. about 1,244°C;; b.p. about 1,962°C;; sp. gr. 7.2 to 7.45, depending on form; valence principally +2, +4, or +7.

Manganese is a pinkish-gray, chemically active metal.
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Atomic Weight:54.93805
Electron Configuration:2 · 8 · 13 · 2
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