Periodic Table of the Elements: Terbium
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| 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. ..... Click the link for more information. | |
| Atomic Weight: | 158.92535 |
| Electron Configuration: | 2 · 8 · 18 27 · 8 · 2 |