Respuesta :

2, 8, 8, 16 and 32. They are the electron level le she'll beers and each never represents how much can fit in
if you are only talking about the first 20 or so elements there is 2 in the first shell, 8 in the second and 8 in the third, but the 3rd shell can hold 18 but for early elements it jumps to the fourth shell after 8