錳者,化學元素也,符號Mn,原子序廿五,屬過渡金屬。色銀白,不溶於水,性堅而脆,受潮氧化矣。出軟錳礦、硬錳礦、菱錳礦諸礦。
性堅而脆,具磁性,乃重要之材。
同位素者卌二,自錳四四至錳六九。性穩者獨錳五五耳。
冶金工業中以製特種鋼。
作合金、電池之類。二氧化錳(MnO2)用以催化劑、棕顏料,高錳酸鉀(KMnO4)用以氧化劑、消毒劑。
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