Respuesta :

Kristaps

Level one has one sublevel – an s. Level 2 has 2 sublevels - s and p. Level 3 has 3 sublevels - s, p, and d. Level 4 has 4 sublevels - s, p, d, and f.

Oceans

Answer:

one sub level .

Explanation:

the only orbital in the first energy level is the s - orbital