What is the electron configuration of an element with atomic number 17?

The electron configuration is ${\text{1s"^2 "2s"^2 "2p"^6 "3s"^2 "3p}}^{5}$.
The electron configuration becomes ${\text{1s"^2 "2s"^2 "2p"^6 "3s"^2 "3p}}^{5}$.