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Abbreviation of the Day

05 Jul 2026
N Nitrogen

Nitrogen (Symbol: N, Atomic number: 7) is a non-metal element discovered in 1772. It belongs to period 2 and group 15 of the periodic table. It is the most abundant element on earth, making up about 78% of our atmosphere and 3% of the human body by mass. Nitrogen exists\u2026

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