Periodic Table of the Elements: Terbium

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Periodic Table of the Elements: Terbium
Atomic Number:65
Atomic Symbol:Tb
 Terbiumterbium
[from Ytterby, a village in Sweden], metallic chemical element; symbol Tb; at. no. 65; at. wt. 158.92535; m.p. 1,356°C;; b.p. 3,123°C;; sp. gr. about 8.25; valence +3 or +4. Terbium is a soft, malleable, ductile, silver-gray metal.
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Atomic Weight:158.92535
Electron Configuration:2 · 8 · 18 27 · 8 · 2
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