atomic number 75


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Noun1.atomic number 75 - a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloysatomic number 75 - a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
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