Question

Write the electronic configuration of a chlorine atom.

Answer 1

The placement of electrons in different shells around the nucleus of the atom of an element is known as electronic configuration.
An atomic number of a Chlorine $\left(\mathrm{Cl}\right)$atom is 17.
The formula to find the electronic configuration in different shells is $2{\mathrm{n}}^2$.
The electronic configuration of chlorine is K shell = 2, L shell = 8, M shell = 7.