Question

What is the complete electronic configuration of nitrogen?

Answer 1

Hint: We can write the electronic configuration of elements in two ways. One is normal electronic configuration and the other one is called noble gas shorthand electron configuration. Electronic configuration is going to explain the arrangement of the electrons in the respective orbitals.

Complete answer:
- In the question it is asked to write the complete electronic configuration of nitrogen.
- To write the electronic configuration of any element we should know the atomic number of the particular element.
- The nitrogen atom belongs to the p-block and is situated in the V A group.
- The atomic number of nitrogen is 7.
- Means there are seven electrons present in the atomic orbitals of the nitrogen atom.
- The electronic configuration is going to look like this 1s 2s 2p 3s 3p………
- Now we have to fill the electrons in the respective orbitals by following Hunds and Aufbau rules.
- The complete electronic configuration of nitrogen is $1{{s}^{2}}2{{s}^{2}}2{{p}^{3}}$ .
- Means in the electronic configuration of nitrogen there are 2 electrons in 1s orbital, 2 electrons in 2s orbital and three electrons in 2p orbital.
- Means the 2p orbital of a nitrogen atom is hall-filled and it is very stable in nature due to the half-filled electrons in the 2p orbital.

Note:
The noble gas shorthand electronic configuration of nitrogen is $[He]2{{s}^{2}}2{{p}^{3}}$ . We have to choose the nearer noble gas element to write the noble gas shorthand electronic configuration for any element.