Which of the following options does not represent ground

Last updated: 7/3/2023

Which of the following options does not represent ground state electronic configuration of an atom a 1s 2s 2p 3s 3p6 3d8 4s 3s 3p6 3d 4s b 1s 2s 2p 6 c 1s 2s 2p 3s 3p6 3d 0 4s 345 6 345 11 d 16 26 206 3 306