2013年7月23日星期二

Mo (Molybdenum)

Is a chemical element, its chemical symbol is Mo, its atomic number is 42, is a transition metal gray. Pure molybdenum metal is silvery white, very hard. Among the small amount of molybdenum added to steel, steel can be hardened. Molybdenum tube is a very important nutrient for plant, also find a number of enzymes being

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