Periodic Table of the Elements: Nitrogen

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Periodic Table of the Elements: Nitrogen
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.
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Atomic Weight:[14.00643; 14.00728]
Electron Configuration:2 · 5
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