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More info.
{{Element | name=Manganese | symbol=Mn | anumber=25 | amass=54.9 amu | noe=25 | class=Transition metal | cstructure=Cubic | density=7.440 g/cm^3 | color=Gray | stableisotopes=1 | date=1774 | discname=[[Johann Gahn]] | origname=From the Latin word ''mangnes'' (magnet) | uses=Steel, batteries, ceramics, coins | obtained=Pyrolusite, psilomelane, rhodochrosite}}
{{Element | name=Manganese | symbol=Mn | anumber=25 | amass=54.938 amu | noe=25 | class=Transition metal | cstructure=Cubic | density=7.440 g/cm^3 | color=Silver/Gray | stableisotopes=1 | date=1774 | discname=[[Johann Gahn]] | origname=From the Latin word ''mangnes'' (magnet) | uses=Steel, batteries, ceramics, coins, fertilizer and animal feed additives | obtained=Pyrolusite, psilomelane, cryptomelane, manganite, rhodochrosite}}
[[Category:Metals]]
'''Manganese''' is an [[element]] in the "transition metals" class of the [[periodic table of the elements|periodic table]]. It is hard and brittle. It reacts (slowly) with water, and with acids.
Manganese was discovered by Johann Gahn in 1774 by heating pyrolusite with charcoal.
[[Category:Elements]]