Tantalum

Definition of Tantalum

Tan´ta`lum
n.1.(Chem.) A rare nonmetallic element found in certain minerals, as tantalite, samarskite, and fergusonite, and isolated as a dark powder which becomes steel-gray by burnishing. Symbol Ta. Atomic weight 182.0. Formerly called also tantalium.

Related Words

atomic number 73, columbite, fergusonite, metal, metallic element, niobite, Ta, tantalite
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