@spectrometry.mp4: Nitrogen is the seventh element on the periodic table, with atomic number 7 and the symbol N. It is a colorless, relatively unreactive gas that makes up most of Earth’s atmosphere. Molecular nitrogen exists primarily as N₂, where a strong triple bond gives the molecule high stability. Nitrogen is essential to life because it is present in amino acids, proteins, DNA, and RNA. The nitrogen cycle describes how nitrogen moves through the atmosphere, soil, water, and living organisms. Nitrogen chemistry is important in fertilizers, ammonia production, chemical synthesis, explosives, environmental science, agriculture, and the Haber-Bosch process used to produce ammonia.

Spectrometry.mp4

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Monday 10 August 2026 19:14:55 GMT