Periodic Table of the Elements: Niobium

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Periodic Table of the Elements: Niobium
Atomic Number:41
Atomic Symbol:Nb
 Niobiumniobium
, metallic chemical element; symbol Nb; at. no. 41; at. wt. 92.90638; m.p. about 2,468°C;; b.p. 4,742°C;; sp. gr. 8.57 at 20°C;; valence +2, +3, +4, or +5.
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Atomic Weight:92.90638
Electron Configuration:2 · 8 · 18 12 · 1
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