Name Formula

Nitrogen element has 7 protons, 7 neutrons and 7 electrons. Nitrogen gas is about 78% of the atmosphere. Nitrogen is also widely existed in various compounds. NO3^-, NO2^- and N^3- are common Nitrogen ions.

» Common Nitrogen compounds:
• Sodium Nitride, Na3N
• Calcium Nitride, Ca3N2
• Nitrogen Dioxide, NO2
• Nitrogen Trioxide, NO3
• Nitrogen Monoxide, NO
• Nitric Acid, HNO3
• Nitrous Acid, HNO2
• Hyponitrous Acid, HNO
• Pernitric Acid, HNO4

» Nitrogen is also widely existed in organic compounds:
• Vitamin B3, H6H5NO2
• Urea, CH4N2O
• Methylamine, CH5N