Tantalum

Tantalum
Properties
Atomic symbol	Ta
Atomic number	73
Classification	Transition Metals
Atomic mass	180.9479 amu
Other Information
Date of discovery	1802
Name of discoverer	Anders G. Ekeberg
Name origin	From King Tantalus of Greek mythology
Uses	Used in metal alloys. Tantalum pentoxide is used in capacitors, condensers, cutting tools, vacuum tube filaments and in camera lenses to increase refracting power.
Obtained from	Occurs chiefly in the mineral tantalite. Always found with niobium.