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Tantalum

Symbol: Ta
Atomic Mass/Weight: 180.9479 AMU
Atomic Number: 73
Oxidation State: +5
Melting Point: 3287 K
Boiling Point: 5731 K
# of Isotopes: 2
Electron Configuration: [Xe] 4f14 5d3 6s2
Lewis Dot Diagram:
Tantalum - Lewis Dot Diagram