Periodic Table of the Elements: Manganese
Related article: Periodic Table of the Elements (table)Periodic Table of the Elements
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| 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. ..... Click the link for more information. | |
| Atomic Weight: | 54.93805 |
| Electron Configuration: | 2 · 8 · 13 · 2 |