atomic number 50
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|Noun||1.||atomic number 50 - a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide|
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.
cassiterite - a hard heavy dark mineral that is the chief source of tin
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