Density
7.21 g/cm³ (liquid at melting point)
Discovery
Discovered by Johan Gottlieb Gahn in 1774.
Common Uses
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Used in steelmaking to improve strength and hardness
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Essential in certain battery chemistries (e.g., alkaline batteries)
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Employed in fertilizers and animal feed supplements
Interesting Facts
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Manganese is vital in small amounts for human health.
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It is found in many minerals and ores worldwide.
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Manganese nodules are abundant on the ocean floor.
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