Periodic Table of the Elements: Tantalum

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Periodic Table of the Elements: Tantalum
Atomic Number:73
Atomic Symbol:Ta
 Tantalumtantalum
[from Tantalus], metallic chemical element; symbol Ta; at. no. 73; at. wt. 180.94788; m.p. 2,996°C;; b.p. 5,400±100°C;; sp. gr. 16.65 at 20°C;; valence +2, +3, +4, or +5.
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Atomic Weight:180.94788
Electron Configuration:2 · 8 · 18 32 · 11 · 2
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