Manganese

Uses, Facts, & Compounds

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Oct 4, 2023 - 12:29

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chemical properties of Magnanese (part of Periodic Table of the Elements imagemap)

manganese (Mn), chemical element, one of the silvery white, hard, brittle metals of Group 7 (VIIb) of the periodic table. It was recognized as an element in 1774 by the Swedish chemist Carl Wilhelm Scheele while working with the mineral pyrolusite and was isolated the same year by his associate, Johan Gottlieb Gahn. Although it is rarely used in pure form, manganese is essential to steelmaking.

Element Properties
atomic number	25
atomic weight	54.938
melting point	1,246 °C (2,275 °F)
boiling point	2,062 °C (3,744 °F)
density	7.21–7.44 gram/cm³ at 20 °C (68 °F)
oxidation states	+2, +3, +4, +5, +6, +7
electron configuration	[Ar]3d⁵4s²