These pieces of manganese exhibit typical nodules from the electrowinning process, whereby ions of manganese are plated onto a flat electrode in a solution of manganese salts. The black piece has oxidized, while the shiny piece has not.
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Mn - Manganese These pieces of manganese exhibit typical nodules from the electrowinning process, whereby ions of manganese are plated onto a flat electrode in a solution of manganese salts. The black piece has oxidized, while the shiny piece has not. | |||||||||||||||||