How can the atomic number of nitrogen be determined

Nitrogen is present in group 5. It contains 7 electrons and protons. It has 2 electrons in its first shell and 5 electrons in second shell. In order to determine the atomic number of nitrogen, we should know about the number of protons or electrons of the atom.

Atomic number is denoted by Z. Z= number of protons. Hence, nitrogen consists of seven protons as well as seven electrons. Therefore, its atomic number (Z) will also be 7.

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