Nitrogen is a chemical element; it has symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table

24 мая 2018 г. · A periodic table will help here... Look on the periodic table and find the symbol N on it. Then, look at the top left number.

Name, Nitrogen ; Symbol, N ; Atomic Number, 7 ; Atomic Mass, 14.007 atomic mass units ; Number of Protons, 7.

30 окт. 2024 г. · Nitrogen, nonmetallic element of Group 15 [Va] of the periodic table. It is a colorless, odorless, tasteless gas that is the most plentiful ...

Atomic number, 7, Relative atomic mass, 14.007 ; State at 20°C, Gas, Key isotopes · N ; Electron configuration, [He] 2s22p · CAS number, 7727-37-9.

The atomic number or nuclear charge number (symbol Z) of a chemical element is the charge number of its atomic nucleus.