Periodic Table of the Elements: Boron
Related article: Periodic Table of the Elements (table)Periodic Table of the Elements
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| Atomic Number: | 5 |
| Atomic Symbol: | B |
| Boronboron [New Gr. from borax], chemical element; symbol B; at. no. 5; interval in which at. wt. ranges 10.806–10.821; m.p. about 2,300°C;; sublimation point about 2,550°C;; sp. gr. 2.3 at 25°C;; valence +3. ..... Click the link for more information. | |
| Atomic Weight: | [10.806; 10.821] |
| Electron Configuration: | 2 · 3 |