Respuesta :

THE ORDER IS
1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f, 6d, 7p, 8s. Although this looks confusing, there is an easy way to remember. Go in order of the lines from top to bottom, top