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Atomic symbol - Ta
Atomic weight - 180.9479
Atomic number - 73
Electron configuration - 2-8-18-32-11-2
Oxidation states - +5
State of matter - solid
Heavy metal-ductile
Discovered in 1802 by Anders Gustaf Ekeberg
Boils at 5425 .C, melts at 2996 .C

Notes:
Tantalum is a very hard, silvery-gray metal. Properties are similar to that of
the element niobium (41). Some uses for this rare metal are: electrolytic
capacitors and corrosion resistant chemical euiptment.

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