Sulfur has an atomic number of 16.
What is the electron configuration for an electronically neutral atom of sulfur?
Use an aufbau diagram.
O 1s²2s²2p 3s²3p3
O1s²2s²2p 3s²3p6
O1s²2s²2p 3s²3p¹
O1s²2s²2p 3s²3p5