Periodic Table of the Elements: Nitrogen
Related article: Periodic Table of the Elements (table)Periodic Table of the Elements
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| Atomic Number: | 7 |
| Atomic Symbol: | N |
| Nitrogennitrogen , gaseous chemical element; symbol N; at. no. 7; interval in which at. wt. ranges 14.00643–14.00728; m.p. −209.86°C;; b.p. −195.8°C;; density 1.25 grams per liter at STP; valence principally −3, +3, or +5. ..... Click the link for more information. | |
| Atomic Weight: | [14.00643; 14.00728] |
| Electron Configuration: | 2 · 5 |