出典:Wikipedia
出典:『Wikipedia』 (2011/06/11 17:09 UTC 版)
Manganese (
/ˈmæŋɡəniːz/ mang-gən-neez) is a chemical element, designated by the symbol Mn. It has the atomic number 25. It is found as a free element in nature (often in combination with iron), and in many minerals. As a free element, manganese is a metal with important industrial metal alloy uses, particularly in stainless steels.
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