# What is the ground-state electron configuration of a neutral atom of nickel?

["Ar"]"3d"^8"4s"^2"
The ground state electron configuration of a neutral nickel atom is ["Ar"]"3d"^8"4s"^2". This data comes from the NIST Atomic Spectra Database. NIST is the National Institute of Standards and Technology (United States). https://physics.nist.gov/cgi-bin/ASD/ie.pl