How Many Protons, Neutrons and Electrons Are in a Nitrogen Atom?

There are seven protons, seven neutrons, and seven electrons in a neutral nitrogen atom. Group 15 and Period 2 of the Periodic Table of the Elements contain this element. The atomic weight of this element is 14,007 amu.

The seventh element in the periodic table is nitrogen. Since it has an atomic number of seven, it also contains seven protons. Due to its atomic weight of 14,007 amu, nitrogen has a mass number of 14. By subtracting the number of protons (7) from the element’s mass number (14), the number of neutrons in the atom can be determined.

Numerous nitrogen atoms consist about seven neutrons (14 – 7 = 7). However, some nitrogen atoms have eight electrons. They are atoms of the nitrogen isotope N-15.

In a neutral atom, the number of protons and electrons must be equal. Therefore, a neutral nitrogen atom must contain seven electrons to complement its seven protons.


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