- Manganese is a metallic element with 7 valence electrons and belongs to group VII of the periodic table
- Manganese can exhibit oxidation states I, III, IV, V, VI, VII and forms different colored compounds
- Manganese compounds have basic, acidic, or amphoteric characteristics and react with acids, bases, and water
- Manganese hydroxide has basic properties and undergoes disproportionation reactions
- Reactions of manganese in acidic, neutral, and alkaline environments result in different colored compounds and products.
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